'Social Jetlag' May Be Making You Fat 197
sciencehabit writes "A new study suggests that, by disrupting your body's normal rhythms, your alarm clock could be making you overweight. The study concerns a phenomenon called 'social jetlag.' That's the extent to which our natural sleep patterns are out of synch with our school or work schedules. When we wake up earlier than we're supposed to — or spend all weekend sleeping in and then get up at 6 am on Monday — it makes our body feel like it's spending the weekend in one time zone and the week in another. For people who are already on the heavy side, greater social jet lag corresponds to greater body weight."
Thank God! (Score:5, Funny)
Thank God! All this time I thought it was the Coke and Fritos doing it to me!
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The lack of attention to the rise in obesity since america got hooked on corn syrup is astounding to me. Sure some of us are less active, but bring in the ease of use of the internet, and the 500 channels of nothing to watch on TV, and you get an excellent equation for a fat country.
Just one more round... (Score:5, Funny)
Not Much You Can Do About That (Score:4, Insightful)
Re:Not Much You Can Do About That (Score:5, Insightful)
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Re:Not Much You Can Do About That (Score:5, Insightful)
It happened to me with kids. I haven't slept-in in years because my kids get up right after the sun comes up.
Re:Not Much You Can Do About That (Score:5, Funny)
It happened to me with kids. I haven't slept-in in years because my kids get up right after the sun comes up.
Wait until they're teenagers - it will be you telling them its time to get up.
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We spend the first few years teaching them to stand up and talk and then for the rest of their lives we're telling them to sit down and shut up. ;)
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Re:Not Much You Can Do About That (Score:4, Insightful)
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well then, enjoy dying 10 years sooner then you need to.
Re:Not Much You Can Do About That (Score:5, Insightful)
Yup.
Made a comment about this below. I used to run through the week on 4 or 5 hours a night, then crash on the weekends. It's tough to do, but if you force yourself to get a decent amount of sleep through the week, and cut back on the sleeping in (I still do sleep in a few hours.. ) it makes a huge difference. It's hard to give up that extra "winding down" time at the end of the day.. but not feeling like a zombie all the time is worth it.
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Re:Not Much You Can Do About That (Score:5, Funny)
Same here, if only the days were longer. We need to find some way to slow the rotation of the earth.
That sounds like a lot of work, and I'm pretty tired.
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Getting more exercise early in the day can often help with getting to bed.
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That is a failure of your mind, not your body.
Get some will power
" My mind also does not want to turn off until between 12:00am to 2:00am."
That because of your sleep schedule, and possible health issues.
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Sounds like you may have Delayed sleep phase disorder [wikipedia.org].
Read about it. If it sounds like you, get yourself tested. Then, find a job that works with your body cycle. Life is much simpler since I stopped trying to force myself into a "conventional schedule" and created my life around my body's schedule.
For the early crowd, there is also Advanced sleep phase disorder [wikipedia.org]
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My samplle set of one (yeah, I know) confirms that. I usually wake up before the clock goes off and get up about the same time on weekends, and I'm actually a little underweight (that's mostly genetic, though). Maybe I should start staying up late and make it up on the weekends so I can gain?
Nah, screw it, if I don't get enough sleep I'm irratable and my brain doesn't function as well.
Re:Not Much You Can Do About That (Score:5, Insightful)
Delayed sleep phase disorder [wikipedia.org]
Yeah, it's exactly what it sounds like. My natural sleeping pattern makes me go to bed around 3-4am. And sleep for ~8-9 hours. And no, just waking early in the weekend does not help. This has been going on since before I started school, and nothing tried the last 20 years have changed that one bit.
I'm tired of friends and complete strangers saying stuff like "Just change your rhythm" or "You're just lazy, I did it just fine!" - I have tried, it Does Not Help. It does not change a thing.
In fact, the disorder is sometimes referred to as "social jet lag" - it might even be the exact disorder the article is hinting at.
Your comment sounds like an asshole seeing a guy in wheelchair, and saying "He's just lazy. Look, I can walk just fine, and so can my friends!"
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Well, if work hours weren't dictated by religious morality and when people used to get out of bed back when large portions of the population were sustenance farmers maybe most people wouldn't feel the need to switch between their "weekday schedule" and what they're actually comfortable with.
Of course, on top of that there's the issue of electric lighting (I've had a long-running plan to automate all the lights in my home so that they dim and brighten based on the time of day to deal with this, I've tried a
Re:Not Much You Can Do About That (Score:5, Insightful)
If your biological schedule doesn't match up with the rest of your area, it will be hard to find a job that matches your schedule. All I can do is watch my weight and eat/exercise accordingly.
Controlling when you sleep (making it consistent) and when you are exposed to bright light (again, consistency PLUS avoiding it 3 hours before bed time) will get you on track without a heroic effort, unless of course you work a non-traditional shift like 8pm-5am and can't avoid being awake from 5am to 1pm on some days (if you are in the rhythm to sleep those hours 7 days a week you can get along just fine). That kind of schedule swing is a serious bitch.
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I don't think your advice is consistent with this article; sleep is incredibly important, and we did NOT evolve to sleep as little as possible on a rigid basis. Our bodies have varying requirements as they react and adjust to the insults life inflicts (or we do). To think waking and rising each day at the same time (if you even can without modern drugs!) is healthy is about as smart as refusing to breathe deeply when you run.
I hate the typical corporate america attitude for just for this life-shortening idi
Just do it (Score:5, Insightful)
The news is way too full of all these studies etc that just seem to distract from the simple truth that you just plain must exercise...vigorously, and regularly...period. I'm so sick of everything I keep hearing...like all this new stuff about how horrific it is that I sit down at my job. Give me a break...and don't get me started about all these recommendations regarding walking. The main reason people have for not exercising it not having time, and walking...in addition to being neither a good cardie-vascular workout, or a good strength training workout...is the worst bang for your buck timewise. I have the aerobic fitness of someone 30 years younger than I...can do 100 pushups, and have about 10% body fat (at 58)...and I don't kill myself working out either...a total of about 5 hours a week...20 minutes of intense aerobics three times a week and extensive weight training twice a week.
Way, way too much bullshit getting thrown around...just do it!
Mod parent up. (Score:3, Insightful)
Get out there and run.
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Get out there and run.
Amen. For a long time I used my Concept 2 indoor rower religiously...great workout that you can do year round. Lately I've been doing this: I hold a pair of 20 pound weights and step up to the second step of my basement stairs and then back down...switching which leg I lead with every 10 steps. Last count I was doing 460 of those in 20 minutes...the equivalent of carrying 40 pound up and down 76 flights in 20 minutes...that does the job!
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I hold a pair of 20 pound weights and step up to the second step of my basement stairs and then back down
Getting out of your parents' basement... you're doing it wrong.
Re:Just do it (Score:5, Insightful)
The news is way too full of all these studies etc that just seem to distract from the simple truth that you just plain must exercise...vigorously, and regularly...period.
Yes, you must exercise. All these other studies, however, are additional information, and not distractions, and leave you better informed, not worse, unless you're simply too simpleminded to comprehend the idea that there might be more than a couple factors involved. Saying your schedule plays a factor does not in any way contradict or detract from the fact that exercise is the biggest factor. Useful information, not distraction...
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Re:Just do it (Score:4, Interesting)
The problem is that most people don't get enough exercise for the same reason that they don't get enough sleep—there aren't enough hours in the day. I would kill to be able to carve out an extra five hours a week for aerobic exercise. However, that would mean giving up either my job, giving up sleep, giving up (at least) one of my hobbies, or never watching another minute of TV for the rest of my life.
By contrast, I can walk on a treadmill while I'm watching TV (a pair of extreme isolation headphones helps), which means I don't have to give up other activities to do it. That makes it the best bang for my buck, time-wise.
Re:Just do it (Score:4, Insightful)
I would kill to be able to carve out an extra five hours a week for aerobic exercise. However, that would mean giving up either my job, giving up sleep, giving up (at least) one of my hobbies, or never watching another minute of TV for the rest of my life.
Everybody is busy. It's a question of priorities. For you, exercise ranks below all of the things you mention there. For me, it ranks above TV, and it counts as a hobby. I have enough fat relatives to have a good idea of what will happen if I don't stay active, and it isn't pretty.
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Everybody is busy. It's a question of priorities. For you, exercise ranks below all of the things you mention there. For me, it ranks above TV, and it counts as a hobby. I have enough fat relatives to have a good idea of what will happen if I don't stay active, and it isn't pretty.
This is the secret that I think separates those who enjoy exercise from those who don't: those who enjoy it have somehow managed to find a form of exercise that they have turned into a hobby. It is not not just done for the end results and benefit, but also for the fun of doing the activity itself.
For me, it's cycling. I LOVE to be out riding my bike, so exercising isn't a chore, it's a hobby and to be honest somewhat of a lifestyle.
As an example, in April I cycled 27 hours for a total of distance 361 miles
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Yeah sure (Score:4, Informative)
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Not "everybody" is fat (overweight or obese). Just 90% of Americans over age 30... that's not so bad.
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Re:Yeah sure (Score:5, Insightful)
You are correct.
Look, there's only one way to lose the weight, and that's this:
Eat less and exercise more.
I know, it's impossible, right? Well, I started out being unable to bike to the end of the block and weighing a dangerous 250 pounds. I ate crap all the time -- working in a mall I'd often eat NYF poutine, a donair, and an Orange Julius for lunch. I didn't get much exercise. I'd also eat a chocolate bar every single day. The odds were against me and the situation was grim.
I kept on the bike though. I biked to school, eventually got all the way (2km!) without a rest, biked all the way through school, and biked to work once I graduated (B.Eng.). I still bike to work.
In addition to that, I did thousands of pushups on the Wii Fit, pulling a lot of weight from my gut and putting muscle onto my chest. I changed my diet, eating a lot more fruit and veggies and cutting out a lot of the chocolate and fast foods. I still eat treats, and lots of them, but nowhere near what I used to scarf down. I drink mostly water, with some sodas as an rare treat.
Now I weigh 160 pounds, 10% BF, and teach spin classes. The only real problem is that my wife isn't happy with my fitness; she's pretty insecure about it.
Re:Yeah sure (Score:5, Insightful)
You are correct.
Look, there's only one way to lose the weight, and that's this:
Eat less and exercise more.
I know, it's impossible, right? Well, I started out being unable to bike to the end of the block and weighing a dangerous 250 pounds. I ate crap all the time -- working in a mall I'd often eat NYF poutine, a donair, and an Orange Julius for lunch. I didn't get much exercise. I'd also eat a chocolate bar every single day. The odds were against me and the situation was grim.
I kept on the bike though. I biked to school, eventually got all the way (2km!) without a rest, biked all the way through school, and biked to work once I graduated (B.Eng.). I still bike to work.
In addition to that, I did thousands of pushups on the Wii Fit, pulling a lot of weight from my gut and putting muscle onto my chest. I changed my diet, eating a lot more fruit and veggies and cutting out a lot of the chocolate and fast foods. I still eat treats, and lots of them, but nowhere near what I used to scarf down. I drink mostly water, with some sodas as an rare treat.
Now I weigh 160 pounds, 10% BF, and teach spin classes. The only real problem is that my wife isn't happy with my fitness; she's pretty insecure about it.
I knew a guy like that when I worked at AT&T wireless. He was probably 300 lbs when we worked together, but he transferred from engineering to IT. I didn't see him for a couple of years. Ran into him again and I didn't even recognize him. He went from this just lump of cottage cheese to a literal marathon runner. Never seen anything like it in my life. It's super rare and I (of course) have a theory about it. I think he (and probably you) were likely natural athletes and for whatever reason (life happening, depression) got caught in a rut. You're probably just being yourself. Who knows though. You probbaly have a theory of your own on what motivated you. Fear? A diabetes diagnosis? Your wife is right to be insecure about your fitness, if she isn't fit. I'd join in, if I were her; it's like having a live-in life coach.
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Eat less and exercise more.
I agree for exercice, but for nutrition, there is no need to eat less. You can start eating better food. Less high glycemic index carbohydrates, no trans fats, more fruits and vegetables.
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I think he (and probably you) were likely natural athletes and for whatever reason (life happening, depression) got caught in a rut.
In other words, normal people aren't capable of being fit, unless they are natural athletes? You better come up with a better explanation, friend, because that sounds like rationalization, and has far more scientific evidence against it than for it.
Look, I'm personally fantastically thin, so I don't need to explain anything myself. As for the obese, I spent probably 30 seconds forming that hypothesis. I think every thinking person knows what causes fat people to be fat, but I'm not so sure it's well understood what causes an morbidly obese person to all of a sudden become an athelete. Keep in mind that my hypothesis (from 2004) was about a very narrow demographic, dumbass.
Re:Yeah sure (Score:5, Informative)
Another suggestion: eat slowly !
We eat tons of food without even realizing.
The satiety comes after a few moments eating, and it differs from people to another one.
Eating in the shortest amount of time doesn't allow the satiety mechanisms do their job.
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The only real problem is that my wife isn't happy with my fitness; she's pretty insecure about it.
What does that mean, exactly? She is worried you are fit enough to leave her for a "better offer" or something?
Do you flirt with women at the gym? Act really friendly with women in your classes? Gyms are really bad for some people in terms of extramarital relationships. My wife and I go to the gym together and don't get into friendships that don't involve each other. And she loves the resulting increase in fitness! (For both of us.)
There may be some behavioral changes you can make that would give her
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I'll reply to both of you.
Basically, yes, my wife is afraid that I'll trade her in for a newer model. I'm not sure why she thinks that. She's not that interested in sex, which is a little disappointing but not a deal-breaker. We work well together in terms of logistics, finances, childcare, hobbies (we tend to have different ones though). Yes, we go to counselling.
Yes, I'm friendly to everyone, men and women. (It's part of the Art of Manliness, to strike up a conversation with a stranger at least three
Re:Yeah sure (Score:5, Informative)
Actually, that's not entirely true.
A lot of the science now is showing that eat less/exercise more doesn't produce much in terms of results over the long term.
There have been studies done on eating less/deprivation, and the repeatedly conclude that it's bad. In extreme cases, of course (like eating a pound of bacon at each meal) there is room to cut back, but in general the whole idea of introducing fewer calories may not be the cure-all many think it is.
Obesity is actually a sign that we're not giving our body the nutrients it needs, so it stores fat. So eating better (read: more nutritious food) is likely to fix things more easily. Of course, exercise isn't bad or anything, it's just not a cure-all.
Well, it's not a simple system (Score:4, Informative)
There is a bit of a sliding scale involved - as you lose weight you have less body mass to maintain so your BMR will drop. Likewise when operating in a calorie shortage for prolonged periods your body will adapt, getting more efficient and reducing the number of calories necessary to accomplish the same tasks, as well as being more aggressive about storing excess calories. Net result is that at a given calorie+exertion level you will at first lose weight, then plateau, and maybe even start to rebound. The solution, obviously, is you need to periodically update your plan slightly, either cutting more calories or burning them, until you stabilize within an acceptable range.
The basic fact though is that 3000 Calories ~= 1lb of fat, that's chemistry. If you eat 100 calories less than you burn every day you MUST lose about a pound a month, that energy has to come from somewhere. The trick is to cut calories without cutting food and nutrients, which can be tricky if you need to do more than cut out the obvious junk food. Staying away from processed foods and eating lots of high-fiber alternatives can make that a lot easier - make your body have to work as much as possible for each calorie, and fiber has added the advantage that ~30% of the calories are in a form our bodies can't digest. Raw foods in general help too - we've evolved to let fire do some or digesting for us, breaking down complex starches into simpler things we can digest more easily - cooking can boost the human-accessible calories by 20-30%. If you're really desperate I suppose you could even start eating a lot of grass and sawdust - our bodies can't really process cellulose at all.
There's also the problem of maintaining enough energy to keep exerting yourself when operating in a calorie deficit. Cutting back on fat can help, since your body normally burns a 50/50 blend of fat and carbs, and if you runs low on carbs you hit "The Wall" that endurance athletes speak of and your body doesn't like operating there and it takes serious willpower to keep going. The fact that it also rapidly switches to burning 90+% carbs for the first half-hour or so when you're strenuously exerting yourself doesn't help with the exercising either, at least not if trying to burn fat.
And there are also certain long-term penalties for having been overweight - your body has special fat cells for storing fat, sort of like mini fuel tanks. When they fill up you grow more cells to handle the excess. However, when losing weight the cells don't die off, at least not quickly, they just all run nearer empty, and are more prone to filling up again. Remember these things evolved to help us survive through winter, famines, etc, if they're empty your body gets "worried" - obviously you needed them at some point in the past or they wouldn't have grown, if they're nearly empty then the next crisis to hit could kill you.
Finally there's the personal variations in metabolism - some people just don't store much fat even when consistently overeating, while others seem to store every spare calorie. The latter was no doubt a great survival trait once upon a time, but makes maintaining a health weight a real challenge in a world of plenty.
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Has nothing to do with the italian grinder you went to bed on
How does dating an Italian woman equate to getting fat? Not all of them cook well!
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Has nothing to do with the italian grinder you went to bed on
How does dating an Italian woman equate to getting fat? Not all of them cook well!
Besides, when she grinds your salami it helps you lose weight.
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Disrupt your normal sleeping patterns and you feel lethargic. Feel lethargic and you don't engage in normal activities and you start taking shortcuts (ordering in rather than cooking). I just finished a semester of 4-5 hours sleep time and zero exercise and I feel like a new man now that I'm getting a decent amount of sleep.
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(as i wrote above).sleep is incredibly important, and we did NOT evolve to sleep as little as possible on a rigid basis How much must I yell it? Our bodies have varying requirements as they react and adjust to the insults life inflicts (or we do). To think waking and rising each day at the same time (if you even can without modern drugs!) is healthy is about as smart as refusing to breathe deeply when you run and I /hate/ the typical corporate america attitude for just for this life-shortening idiocy. I won
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Well maybe if you had not let yourself become such a fat ass then you could still do that stuff. Ron Paul rides his bikes miles a week at 76. What's your excuse, chubby?
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Well, it depends on your definition of "fit". If you define a "fit 20 year old" as a professional athlete in peak competition shape then you're setting the bar pretty high. If you instead set it at "someone who's never been overweight, is casually involved in some sport, going to practice once a week and hits the gym once or twice a week" then it's definitely believable that a 45 year old could be in better shape, especially if you factor in genetics.
And yeah, the 20 year old in my example definitely would
Causation/correlation counterpoint (Score:5, Insightful)
From the article:
From the slashdot post:
"or spend all weekend sleeping in and then get up at 6 am on Monday"
These look to me like behaviors of people who don't take care of themselves and/or who are lazy/inactive. I don't see how sleep is the cause. It makes more sense to me that it'd be the other way around...that inactivity tends to help cause obesity, and also correlates with sleeping in whenever you can, for example.
Re:Causation/correlation counterpoint (Score:5, Interesting)
I think it's more the behavior of people who grind away on 4 or 5 hours sleep a night through the week then crash on the weekend. I used to be one of them. When I forced myself into getting more sleep through the week, I noticed a huge difference in how I felt and how much energy I had. Also weekends are much more enjoyable when you get up at 10 (so still sleeping in for a few hours) and feel great vice waking up at 2am and feeling groggy.
If anyone is in the same place I was, I seriously recommend trying it. Set a consistent bed time. It's well worth losing a few hours of "minecraft time" for the extra energy (and probably health benifits). At the very least try it for a week.
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I'll vouch for that. I just wrote a post about how different I feel after a semester of 4-5 hours of sleep (and crashing on weekends). Any idiot with a nice normal schedule can bag on the general population for having to catch up on sleep on the weekends.
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Damn. That sounds much rougher than what I went through. I get much the same "late night burst of energy" problem .. but not to the degree or effect you describe.
One thing I'd suggest adding to the list of things to try (if you haven't already), as silly as it sounds, is to go the opposite direction with regards to distractions. I find it almost impossible to "just" go to sleep in a quiet room. If I put a movie or old tv show on however and watch it from my bed.. I'll nod off within 20 minutes. Probably a c
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Well, you're lucky that you can actually force yourself to sleep. I try every night, I get home at 6pm and lay down. I usually lay down for 1-2 hours then maybe drift asleep for an hour before waking back up having to trying and force myself to sleep again. This continues until around 3-4am when I finally get to sleep (and remember dreams), but my alarm goes off at 5 and struggle to get ready and feel exhausted all day.
Take two hits off a joint about 30 mins before you hit the sack. You will get the best sleep of your life.
You're welcome.
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By the way: the reason you feel tired is due to lack of carbs. Don't cut back on carbs--increase your activity level. The "all fruit" diet is garbage.
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Yeah. Despite decades of research showing that poor sleep patterns can effect your health... it's all about the lazy people.
Does inactivity correlate with sleeping in? Get back to me with your cites and studies.
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People have biological clocks that vary which they'll tend to fall into if they have no outside cues. These can be up towards 25-26 hours per day. Most people are sensitive enough to daylight to adjust (if you live in a place where daylight is actually a useful cue), some adjust by syncing to a habit.
But for some people the biological clock doesn't sync on day or the yearly variation in solar cycle messes with the sensitivity, nor does the habit work. Instead keeping a stable cycle means having constant jet
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I might argue that it's a self-reenforcing vicious cycle. You don't take care of yourself, which means you don't have energy. You don't have energy, and so you don't take care of yourself. This can happen in a few different ways. If you stay up late, maybe you're more likely to have late-night snacks. Maybe the reason you stay up late is because you're out living a lifestyle that's not physically healthy. Maybe the fact that you're unhealthy means you're more likely to have trouble sleeping.
In any ca
I don't have a cosmo account (Score:4, Funny)
No alarm clock here (Score:5, Interesting)
The buttons on my clock stopped working ~11 years ago, and I never bothered to replace the clock. So now I just wake up when I wake up. My internal clock is pretty reliable, waking me between 5 and 6 am each morning. (Assuming I go to bed at a decent hour like 9 or 10..... if I stay up late then naturally I sleep late.)
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I think it has less to do with the 24 hour clock, and more to do with the 8 hour clock (how long you sleep). If I go to bed at 10pm, I wake up 8 hours later... in time for work But if I go to bed at 8pm, then I still wake up 8 hours later (4am) and have two hours to kill at home.
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Re:No alarm clock here (Score:4, Insightful)
If your body needs 10 hours sleep, then that's what you should do.
Re:No alarm clock here (Score:5, Interesting)
I noticed this after I had an accident as was in recovery for about 9 months. I noticed my best feelings were if I was on a ~30 hour day with 10 hours of sleep and 20 hours of awake doing stuff. Still wish I could go back to that schedule.
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I'm sort of the same way. I am self employed and isolated and my schedule is pretty much free to drift freely. I too find myself staying up a few hours later, then sleeping a couple hours later, resulting in a greater than 24 hour schedule. The only disadvantage to it really is the fact that I live in a small town where all the businesses close early. In a big city I could totally stay on this schedule indefinitely.
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What I mean is that there is an attitude that one are disciplined and productive if one goes to bed early and get up early. If you are a night person or have a
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There's a difference between time-of-day and length-of-day and you appear to be conflating the two.
So-called "evening persons" could, if they were disciplined, get to bed every 4AM and wake at noon (or when their body is ready), and not suffer a "rolling forward" or other putative lag or length-of-day effects.
I'm not saying that evening persons lack discipline nor am I implying that morning persons don't. I'm saying that "forward-rolling sleep cycle" persons lack discipline.
If it's elite not to be abusive
how long is your day clock? (Score:3)
Let me clarify this in case you get me wrong. I'm elitist in the regard that I support the elite (i.e., the persons who get to bed at a regular time, and more generally the disciplined practice of doing so). I personally share your problem of rolling my clock forward through lack of discipline.
Note that length-of-day disorder ("Non-24") does exist. But you don't have it. You have lack of
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You sure it's that we lack discipline? Or maybe we just don't agree on the same priorities?
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Same here. Ever since our kids started sleeping through the night (about 2.5 years ago), my wife and I don't usually have a problem waking up at pretty close to 6 every day (weekends included). Our two toddlers (3 and 4) usually come into our room and climb in bed between 5 and 6. The younger falls asleep again easily, and can sleep through until 7, while the other is itching to get out of bed (but we make him stay until 6).
Lifestyle makes a difference? Who knew. (Score:2)
I don't get enough sleep during the week, so I drink a lot of sugary, caffeinated beverages at times to keep me awake at my desk job. That's not healthy, I know. However, I also take decently good multivitamins, cut out caffeine and switch to water by mid-afternoon, work out regularly following a personal trainer's advice, and tend to eat intelligently at mealtimes. I don't eat chips, popcorn, candy, cookies, or whatever else during the day.
This is what works for me, and I'm quite fit by any account. Right
This is crap. (Score:3, Insightful)
Your weight is a result of calories in vs. calories out.
Nothing else.
Yes, disrupting your sleep patterns may affect the "calories out" department slightly, but that is not what is making you fat. It is food that is making you fat. If you have some kind of magical body that violates the law of conservation of energy, please let the scientific community know immediately, otherwise it's time to put down the sandwich.
Re:This is crap. (Score:4, Informative)
Look up sleep apnea. And stop spreading jaded ignorance.
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What's with all the "just eat less" posts on this story? Are you reading what it's trying to tell you?
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What's with all the "just eat less" posts on this story? Are you reading what it's trying to tell you?
Yes, I read what it's trying to tell me.
"We're not going to give you any hard data, and because the scientific article is behind a paywall, you're shit out of luck. What we WILL give you instead is one more excuse that you can use to rationalize how fat you are. We realize that anything that shifts the blame off of your bad diet and worse exercise routine will make you feel better about yourself. We're going to pass up this opportunity to tell you that that calorie difference between a well rested indivi
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Actually, less sleep is responsible for more calories in, as we tend to eat lots of sugary stuff to stay awake when tired.
Re:This is crap. (Score:5, Informative)
> Your weight is a result of calories in vs. calories out.
Actually, it's not. There are plenty of studies demonstrating that chronic sleep-deprivation makes you MUCH more likely to gain weight from a given number of calories. Your body goes into 'crisis' mode, and becomes more aggressive and efficient about converting calories into fat. The fact that you're likely to end up ravenously hungry and fatigued multiples the effect, but even if you kept exercise and calorie count constant, you'd be more likely to gain weight after extended chronic sleep deprivation.
The same phenomenon has been observed with some psychiatric drugs. In particular, one class of drugs used for treating schizophrenia. I don't remember the exact details, but I remember reading that there were a couple of them that *observably* slowed down the patient's metabolism for reasons that aren't entirely understood (and researchers are certainly trying, because if they can figure out what makes them slow somebody's metabolism down, they might be able to come up with a blockbuster drug that speeds it up and enables effortless weight loss. Assuming, of course, the drug doesn't end up having drug-induced mania or psychosis as a side effect).
Re: (Score:3)
Your weight is a result of calories in vs. calories out.
Nothing else.
I really think you should study the topic more, because a doctor or nutritionist would probably tell you that you're very wrong. There are lots of things that have been shown to contribute to weight gain and weight loss. It's true that eating fewer calories than you expend will cause you to lose weight, but it's neither the only way to lose weight, nor is it necessarily the healthiest guide to losing weight.
For one thing, the same number of calories can be digested differently depending on the food. IIR
Re: (Score:3)
I've had 16 different responses from people telling me that I'm wrong. That it isn't calories in vs. calories out. They then go to list things that affect the total number of calories the body spend.
I hate to tell you this, but I already knew that things could have an effect on the number of calories your body spends. That's what I meant by "calories out." It's not a fixed amount. Sleep, exercise, diet, genetics, environment, your childhood, your mood, and a number of other factors can change "calories
To put it bluntly (Score:2)
You don't know what the fuck you're talking about.
Your post needs to be -1, Loud Mouthed Idiot.
Yes, sleep patterns, or the disruption thereof from an irregular sleep schedule, most certainly does play a huge role in the body's energy (fat) conservation strategies.....amongst countless other things.
Re: (Score:3)
Your weight is a result of calories in vs. calories out.
Nothing else.
While that's technically true, it misses the problem completely because you ignore why people eat more than they need. People eat because they are hungry. Why would someone with enough body fat to power their sedentary lifestyle for weeks still feel hungry? That's the problem, and there's a ton of evidence that it's screwed up hormonal signalling from a poor diet and lifestyle which makes people hungry when they shouldn't be. Poor sleep patterns is part of the problem, even if an unhealthy diet and lack
Re: (Score:2)
I wish I could see these numbers myself instead of getting a vague: "This may affect obesity" in the summary.
Much more useful would be: "We have determined with 95% certainty that this behavior is responsible for a 20% higher BMI when other factors are ruled out."
easy fix? (Score:2)
So if we just sleep in every day instead of just on weekends, we'll lose weight. Brilliant.
I'll just leave this here (Score:3, Informative)
http://www.bbc.co.uk/news/magazine-16964783
"We often worry about lying awake in the middle of the night - but it could be good for you. A growing body of evidence from both science and history suggests that the eight-hour sleep may be unnatural."
We may, in fact, ALL BE DOING IT WRONG. If an 8 hour sleep cycle is indeed unnatural, then we're fighting our biological clock much more than we thought. Even if you get plenty of sleep.
Re: (Score:2)
Thanks, right after reading the article, I came down to see if anyone else had posted a comment regarding First & Second Sleep:
http://en.wikipedia.org/wiki/Segmented_sleep [wikipedia.org]
Segmented sleep, also known as divided sleep, bimodal sleep pattern, or interrupted sleep, is a polyphasic or biphasic sleep pattern where two or more periods of sleep are punctuated by a period of wakefulness. Along with a nap (siesta) in the day, it has been argued that this is the natural pattern of human sleep. A case has been made that maintaining such a sleep pattern may be important in regulating stress.
Eating Makes You Fat. (Score:2)
I owe someone an apology (Score:2, Funny)
Cause and effect (Score:2)
I will say that I tend to eat more when I'm tired, and a biological clock that's out of sync is one reason for being tired, but I'm not sure that being tired necessarily leads to weight gain by itself. I think it's more useful to separate the phenomena than to construct a Rube Goldberg or Toshiba-like [youtube.com] chain of cause and effect.
That said, my biological clock is closer to a 32-36 hour cycle than 24, which sucks. I went to bed at a respectable 10PM last night, so I probably won't start getting tired until a
Sleep and Food... (Score:2)
I have never been able to get on a "proper" sleep schedule. Ever since I was a kid. I have always hated getting up in the morning. I have always hated mornings period. The nicest thing about being of school age was I could have summers to readjust to my natural schedule. Having this time off was one of the best things of my time and I am damn sure contributed to my ability to stay skinny. I ate much more food as a teen than I do now--AND
Sure hasn't been true in my life (Score:2)
Yet I'm 5'10 and only weigh 140lbs. I call bunk on this
Anything can be a touchscreen.... except (Score:2)
Neither the author nor the submitter RTFA when they developed the title - it clearly states that surfaces must be conductive, which is an awfully long way from "anything". The article even mentions smart couches, but then goes on to say saying workarounds are required - non-conductive items must be coated with something conductive.
Stupid non-tech journalists writing tech articles.
Re: (Score:2)
Dammit, wrong tab in my browser - I meant this: http://science.slashdot.org/story/12/05/10/1746224/disney-research-can-turn-nearly-any-surface-into-a-touch-screen [slashdot.org]