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Do power naps save sleepiness? Cognitive benefits of brief sleep during a 100 miles ultramarathon.
Sleep medicine·November 1, 2026·PMID 42497815
Why it mattersUltra-endurance events demand sustained cognitive function for safety and performance, yet sleep deprivation is inevitable. This study provides real-world evidence that brief, strategically timed naps can reduce perceived sleepiness and offer delayed cognitive benefits, informing sleep management strategies for athletes, coaches, and medical teams in extreme endurance settings.
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