- Get a prioritized, evidence‑based one‑minute sleep checklist and printable PDF to shift your body clock tonight [1]
- Use a fixed sleep-wake schedule, cool dark quiet bedroom, nightly wind-down and avoid late caffeine [4].
- Avoid late caffeine and long naps; get morning daylight to support sleep pressure and circadian timing [9][7][1]
- Cool, dark, quiet bedroom plus a consistent pre‑bed wind‑down (30–90 min, no screens) improves sleep [8].
- Melatonin can help short‑term circadian sleep problems, but supplement safety/effectiveness varies—follow labels and...
- Align homeostatic sleep pressure and circadian timing—use light exposure, timed naps, consistent wake anchors, and...
- Evidence for sleep-hygiene, caffeine timing, and melatonin is limited/mixed; effects vary by person [2][10][9]










