How the lunar month affects sleep and circadian rhythms

Regulation of Circadian Rhythms and Sleep by The Lunar Month

NIH-funded research University of Washington · NIH-10915464

This study is looking at how the phases of the moon might affect how well people sleep, and it's for anyone curious about how the moon could influence their sleep patterns, whether they live in the city or the countryside.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Washington NIH-funded
Lab location1 site (Seattle, United States)
Project IDNIH-10915464 on NIH RePORTER

What this research studies

This research investigates how the lunar cycle influences human sleep patterns and circadian rhythms. It examines the timing and duration of sleep during different phases of the moon, particularly noting changes leading up to the full moon. The study will involve monitoring sleep in both rural and urban settings, utilizing both field recordings and laboratory methods to gather comprehensive data. By understanding these effects, the research aims to identify the mechanisms that regulate sleep in relation to lunar phases.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals who experience sleep disturbances or variations in sleep patterns, particularly those living in areas where lunar cycles are prominent.

Not a fit: Patients who have consistent sleep patterns unaffected by external environmental factors may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved sleep management strategies for individuals affected by lunar cycles.

How similar studies have performed: Previous studies have indicated that lunar cycles can influence sleep, suggesting that this research builds on established findings rather than exploring a completely novel concept.

Where this research is happening

Seattle, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.