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Clinical Trial Summary

Study investigators want to learn more about the underlying biological clock and to see if the timing of that clock can be estimated from a single blood sample.


Clinical Trial Description

There is an urgent need for a practical way to assess circadian timing accurately in both general and sleep medicine. The study is designed to assess the levels of different biomarkers in the blood taken from frequent samples across three separate sleep-wake conditions - Conventional/Normal sleep-wake conditions (baseline), extended wake/acute sleep deprivation (constant routine), and during irregular sleep-wake conditions (inverted day). Participants will be asked to complete medical, psychological, and sleep-wake evaluations prior to the study. Upon completion of screening, if eligible, participants will stay 7 consecutive days and nights in the sleep research laboratory within the hospital. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03956745
Study type Observational
Source Brigham and Women's Hospital
Contact Research Study Coordinator
Phone 617-525-8813
Email BodyClockStudy@research.bwh.harvard.edu
Status Recruiting
Phase
Start date June 1, 2021
Completion date May 2024

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