Sleep restriction
Clinical trials for Sleep restriction explained in plain language.
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Sleep loss and hormones: a closer look in older men and women
Knowledge-focused OngoingThis study looks at how not getting enough sleep changes stress and sex hormones in healthy adults aged 60 to 80. Researchers will measure cortisol and testosterone levels before and after four nights of limited sleep. The goal is to better understand the body's hormone response …
Matched conditions: SLEEP RESTRICTION
Early phase 1 • Sponsor: Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center • Aim: Knowledge-focused
Last updated Jun 26, 2026 16:50 UTC
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Lack of sleep may disrupt key hormones, study finds
Knowledge-focused OngoingThis study looks at how not getting enough sleep changes two important hormone systems in the body: the stress-related HPA axis and the sex-hormone-related HPG axis. Researchers will measure cortisol and testosterone levels in 80 healthy men aged 22-45 before and after four night…
Matched conditions: SLEEP RESTRICTION
Phase 1 • Sponsor: Peter y. Liu • Aim: Knowledge-focused
Last updated Jun 26, 2026 16:31 UTC