July 04, 2013
Weight Gain From Less Sleep Due To More Time To Eat?

Go to bed early to reduce your opportunity to eat.

DARIEN, IL A new study suggests that healthy adults with late bedtimes and chronic sleep restriction may be more susceptible to weight gain due to the increased consumption of calories during late-night hours.

In the largest, most diverse healthy sample studied to date under controlled laboratory conditions, results show that sleep-restricted subjects who spent only four hours in bed from 4 a.m. to 8 a.m. for five consecutive nights gained more weight than control subjects who were in bed for 10 hours each night from 10 p.m. to 8 a.m. The study found an overall increase in caloric intake during sleep restriction, which was due to an increase in the number of meals consumed during the late-night period of additional wakefulness. Furthermore, the proportion of calories consumed from fat was higher during late-night hours than at other times of day.

Other researchers look for complex mechanisms involving hunger hormones boosted by lack of sleep. But these researchers have come up with a far simpler mechanism.

Have a hard time falling asleep? Cut your exposure to artificial light in the evenings. You can use UV-filtering glasses.

Share |      Randall Parker, 2013 July 04 09:56 PM 

Phillep Harding said at July 6, 2013 12:03 PM:

I'm inclined to doubt that. The Eskimo have a saying, "Sleep is food." This, IMO, is accurate; I have gotten by on less food by sleeping more.

Probably due to the difference in metabolic activity, asleep/awake.

faruq said at July 7, 2013 8:33 AM:

how come trans-national companies like astra-zeneca and pfizer are not working on novel forms of recreational drugs? As the nore time a person s3ends being high,the less time they ate are eating and being over-weight. there are few over-weight junkies.

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