Skip Jay and Letterman, and the Jimmies… earlier to bed to avoid weight gain.

As we’ve noted many times, the evidence linking too-little sleep and obesity continues to grow.  With artificial lighting, we stay awake later and probably sleep 2-3 hrs less a night than people did 100 years ago.

Sleep deprivation is associated with increased cravings for sugar, fat, and salt.  This recent study shows that when people stay up late, they eat more calories late at night, and these are often “bad” calories.

So, try to get 7-8 hrs of sleep nightly if you want to resist cravings and lose weight.


Dr John Ellis MD

Board-certified anesthesiologist, with expertise in cardiovascular anesthesia and the implications of obesity and sleep apnea in anesthesia. See for professional information. Dr. Ellis has used the strategies in here to: (1) lose 120 lbs over 18 months, (2) stop all antihypertensive medicines, and (3) no longer need CPAP treatment for sleep apnea.

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