Rhythms and Routines

This article compares the effects of light exposure earlier and later in the day on the body's internal clock. The reader learns simple, practical ways to use natural and artificial light to support a steadier sleep pattern.

This piece explains a gradual approach to resetting sleep timing after crossing several time zones. The reader learns what to do before, during and after a trip to ease the adjustment.

This checklist offers a practical way to reduce screen use in the hours before bed without demanding an abrupt, all-or-nothing change. The reader learns small substitutions that make the transition easier.