When to Stop Eating Before Bed
About 3 hours before bedtime. Late-night eating is one of the quietest sleep-wreckers. Here is when to put the kitchen to bed.
Your time
7:30 PM
Last meal by now. Late food raises your core temperature and fragments the deep sleep that does your real recovery.
The science
Digesting a meal raises your core body temperature and keeps your gut working — both of which compete with the cooling-and-quieting your body needs to drop into deep sleep.
Finishing your last meal about 3 hours before bed gives digestion time to settle. That cutoff is tied to your bedtime, which the tool derives from your wake time.
Frequently asked questions
Why does eating late hurt sleep?
Late meals raise core temperature and trigger digestion when your body is trying to cool and quiet down for sleep, which reduces deep, restorative sleep — even if you fall asleep fine.
Is a small snack before bed okay?
A small, light snack is usually fine; the bigger issue is a full meal close to bedtime. If you are genuinely hungry, keep it small and low-sugar.
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