Status:
COMPLETED
Circadian Regulation of Sleep in Habitual Short Sleepers and Long Sleepers
Lead Sponsor:
National Institute of Mental Health (NIMH)
Conditions:
Sleep Disorders
Eligibility:
All Genders
Brief Summary
Routine sleep duration varies greatly among individuals. The biological meaning of this variation is unknown. The term circadian rhythm refers to the biological clock that regulates the timing of fal...
Detailed Description
Habitual sleep duration varies greatly among individuals. The biological meaning of this variation is unknown. The present project proposes that differences in habitual sleep duration are associated w...
Eligibility Criteria
Sleep greater than or equal to 9 hours almost every night.
Sleep less than or equal to 6 hours almost every night.
Between ages 20-30.
No medications, history of psychiatric illness, history of head injury.
No sleep disturbances.
Key Trial Info
Start Date :
May 1 1996
Trial Type :
OBSERVATIONAL
End Date :
June 1 2000
Estimated Enrollment :
38 Patients enrolled
Trial Details
Trial ID
NCT00001546
Start Date
May 1 1996
End Date
June 1 2000
Last Update
March 4 2008
Active Locations (1)
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1
National Institute of Mental Health (NIMH)
Bethesda, Maryland, United States, 20892