The Sleep Improvement Hierarchy: What to Fix First
The hierarchy is: 1) Consistent Wake Time, 2) Morning Light, 3) Bedroom Environment, 4) Wind-Down Routine, 5) Daytime Habits (exercise, caffeine timing).
The hierarchy is: 1) Consistent Wake Time, 2) Morning Light, 3) Bedroom Environment, 4) Wind-Down Routine, 5) Daytime Habits (exercise, caffeine timing).
