Eight hours, still tired for better
Eight hours means less if the sleep itself is poor.
Sleep is rhythm, not just hours in bed. Travel, late nights, stress, alcohol, shift work, screens and unfamiliar rooms can all change the quality of recovery, even when you get enough of it.
This page brings together KYŌ articles on deep sleep, REM sleep, hotel sleep, night shifts and how to sleep better when life does not follow a perfect schedule.
Eight hours means less if the sleep itself is poor.
Deep sleep repairs more than tiredness can explain.
Short sleep doesn't cost one day. It costs several.
Your brain stays on guard the first night somewhere new.
Gentle stretching can help the body cool into sleep.
Screens delay sleep by sending the wrong light signal.