Levels Advisor Robert Lustig, MD, explains how sleep deprivation leads to hunger and worse health.
More than a third of adults get fewer than seven hours of sleep, the recommended minimum. Nearly a quarter of adults are chronic insomniacs.
🥱 Poor sleep is a stressor:
- If you don’t get enough sleep, cortisol goes up. Cortisol creates heat instead of ATP, the universal energy currency for our cells.
- As a result, cells run on empty, which can make you feel sluggish.
🍽️ Poor sleep leads to hunger:
- Sleep deprivation increases the stomach’s output of ghrelin, the hunger hormone, which then circulates in the bloodstream and signals to the brain that you’re hungry.
- As a result, you may eat more, which can raise glucose and insulin levels.
- Increased insulin drives fat storage and chronic metabolic disease.
✅ What you can do:
- Reduce or eliminate caffeine intake.
- Remove screens from the bedroom.
- Set a good bedtime routine that allows for at least seven hours of sleep.
Levels continuous glucose monitor (CGM) data shows that when people get enough sleep, they spend more time in ideal glucose ranges and have lower glucose excursions.
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