Irregular sleep may throw off your body clock and mood, study finds

NCT ID NCT02839070

First seen Jan 22, 2026 · Last updated May 15, 2026 · Updated 13 times

Summary

This study looked at how changing sleep schedules every day affects the body's internal clock, learning, and mood. 27 healthy adults stayed in a lab for 27 days and were randomly assigned to either a regular or irregular sleep schedule. Researchers measured melatonin levels, learning ability, and mood to see the effects.

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Contacts and locations

Locations

  • Brigham and Women's Hospital

    Boston, Massachusetts, 02115, United States

Conditions

Explore the condition pages connected to this study.