Morning: anchor the rhythm
Daylight within 30 minutes of waking. Same wake time every day.
Afternoon: limit stimulants
No caffeine after 2 p.m. Brief afternoon walk for movement.
Evening: dim and cool
Lower lights and thermostat 90 minutes before bed. Skip heavy dinners.
Pre-bed: wind down
45 minutes of non-screen activity. Reading, journaling, light stretching.
In bed: breathing
5 minutes of slow nasal breathing. Get up if not asleep within 20 minutes.