On this page
Key takeaways
- Circadian rhythms help time sleep and wakefulness.
- Light is an important timing cue.
- Regular routines can support a stable sleep schedule.
Your body's daily clock
Circadian rhythms are roughly 24-hour patterns that help regulate sleep and other body processes. Light and darkness are important cues for this timing system.
Why timing matters
When a schedule changes, sleep timing may feel out of sync. A consistent wake time and exposure to daylight can help anchor a routine, though shift work and health conditions may call for different approaches.
Advertisement
Sources & References
Medical information notice
This guide is for education. It cannot diagnose a sleep condition or replace advice from a qualified healthcare professional.
Read the medical disclaimer →