Altitude training secrets: could your sleep and period predict performance?
NCT ID NCT07337928
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study follows 30 elite female cyclists before, during, and after an altitude training camp to see how sleep and menstrual cycle changes affect training results. Participants will track their sleep with diaries and devices, and provide saliva, urine, and blood samples to measure hormone levels. The goal is to understand why some athletes respond better to altitude training than others.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If successful, this study could help coaches and athletes tailor altitude training based on sleep and menstrual cycle phases, potentially improving performance.
- What could go wrong
- This is a small observational study (30 participants) with no intervention, so it cannot prove cause and effect. Results may not apply to non-elite athletes or men.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.