Extreme sports performance for more than a week with severely fractured sleep

Author:

Netzer Nikolaus C.ORCID,Rausch Linda K.,Gatterer Hannes,Burtscher Martin,Eliasson Arn H.,Pramsohler Stephan

Abstract

Abstract Purpose Severely fractured sleep is mostly portrayed negatively, but investigations in extreme sports show that humans can maintain performance with a minimum of sleep. With two cases of long-lasting extreme sports performances, we demonstrate that severely fragmented sleep does not necessarily lead to a deterioration of physical and cognitive performance. Methods We performed continuous polysomnography on a 34 year-old skier for 11 days and nights during a world record attempt in long-term downhill skiing and monitored a 32 year-old cyclist during the Race Across America for 8.5 days via sleep and activity logs. Results The skier slept fractured fashion in 15–16 naps with a daily average of 6 h consisting of 77% in sleep stage 1 and 2, 11% in stage 3, and 13% in stage REM. The cyclist slept a total of 7 h and 52 min in 8.5 days, split up into 11 short naps and 6 sleep periods. The average duration of napping was 8.8 min and of sleep 64.2 min. Conclusions These two cases demonstrate that outstanding performances are possible with severely fractured sleep and/or sleep deprivation. In well-trained athletes, breaking new recordsis possible despite extreme sleep habits.

Funder

University of Innsbruck and Medical University of Innsbruck

Publisher

Springer Science and Business Media LLC

Subject

Clinical Neurology,Otorhinolaryngology

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