Here are seven ways NASA addresses circadian rhythm disruption, reports nasa.gov.

Schedule Sleep and Wake Times
Allowing the body time to prepare for situations where circadian misalignment may occur is the most effective countermeasure against sleep problems like insomnia and fatigue. Developing a schedule that takes into account human circadian rhythm and an individual’s typical sleeping habits is the first tool in ensuring optimal performance, alertness and sleep quality. In addition to noting sleep and wake times, schedules should include lighting instructions, diet, exercise and sleep aid information to ensure proper adaptation.