Irregular sleep may disrupt your body clock and mood
NCT ID NCT02839070
First seen Jan 22, 2026 · Last updated May 21, 2026 · Updated 14 times
Summary
This study looked at how changing sleep times each day affects the body's internal clock, learning, mood, and performance. Twenty-seven healthy adults stayed in a lab for 27 days and were assigned to either a regular or an irregular sleep schedule. Researchers measured changes in melatonin (a sleep hormone), learning ability, and mood throughout the study.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Brigham and Women's Hospital
Boston, Massachusetts, 02115, United States
Conditions
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