Last coffee ~8 hours before bed
What it is
Afternoon and evening caffeine fragments sleep even when you fall asleep fine; the 8-hour cutoff is a practical rule of thumb.
Related
Sources
- Healthy sleep habits (sleepeducation.org) — American Academy of Sleep Medicine
Compiled with AI assistance from the public sources listed above. Not yet reviewed by a clinician — check anything important against the source, with Tipat Halav or with your doctor.