Sleep Better Naturally
Caffeine Cutoff Time and Food Timing for Better Sleep
Published October 21, 2026 · Sleep Better Naturally editors
Quick answer: stop caffeine about 8 hours before bed, finish dinner 2–3 hours before bed, and keep alcohol light and early. Switch to a caffeine-free evening drink if you like the ritual.
Why the caffeine cutoff is earlier than you think
Caffeine's effects last for hours after your last sip. Many people fall asleep fine after an afternoon coffee and still sleep more lightly. If bedtime is 10 p.m., an 8-hour buffer means your last caffeinated drink around 2 p.m.
Where caffeine hides
- Black and green tea, matcha
- Cola and many energy drinks
- Dark chocolate and some ice creams
- Pre-workout powders
- Some pain relievers that include caffeine
Dinner timing
A big, late meal keeps digestion busy when your body wants to wind down, and lying down soon after eating can trigger reflux. Aim to finish 2–3 hours before bed. If you're genuinely hungry later, a small snack is fine.
Alcohol
A drink can make you drowsy, but alcohol fragments sleep later in the night and reduces REM. Keep it moderate and give it a few hours before bed.
Pair it with temperature
Food and caffeine timing affect how quickly you wind down; temperature affects how deeply you stay asleep. A cool room and a comfortable bed complete the picture: Good Sleep's topper cools to 62°F or heats to 110°F, controlled from a touch panel with no app. For more on what deep sleep and REM do, read deep sleep vs REM sleep.
The drug-free temperature lever
Good Sleep warms your bed to as much as 110°F in winter and cools it to 62°F in summer, on your existing mattress. No app, no subscription.
See Good Sleep at trygoodsleep.com