Body Clocks - Coordination of Peripheral and Central Oscillators

Recruiting now

Conditions studied: Circadian Dysregulation

In brief

The investigators are conducting an observational trial examining young women over the course of 28 days in which we are monitoring movement, sleep, heart rate, oxygen saturation, gut physiology, light, and menstrual cycle. The inter- and independence of the cyclicity of these variables with each other, the circadian cycle, the menstrual cycle, and the sleep cycle will be tested.

Key facts

Study ID

NCT07459764

Run by

Stanford University

People needed

20

Starts

2026-04-15

Expected to finish

2026-09-30

Last updated by the study team

2026-04-24

Who can join

Age: 18 and older, up to 30. Sex: female. Healthy volunteers: accepted.

You may qualify if…

• Regular menstrual cycle (21-35 days)
• 18-30 years old

You may not qualify if…

• Neuromuscular or neurodegenerative disease
• Gut disorders
• circadian sleep disorders
• prescription medications affecting sleep
• recovering from physical injury
• taking hormonal birth control

Where it is running

• Stanford University — Stanford, California, United States (enrolling)

Full record on ClinicalTrials.gov

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