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Higher training loads affect sleep in endurance runners: Can a high-heat-capacity mattress topper mitigate negative effects?

Authors
  • Chauvineau, Maxime
  • Pasquier, Florane
  • Poirier, Canelle
  • Le Garrec, Sébastien
  • Duforez, François
  • Guilhem, Gaël
  • Nedelec, Mathieu
Publication Date
Nov 21, 2023
Identifiers
DOI: 10.1080/02640414.2023.2285574
PMID: 37987739
OAI: oai:HAL:hal-04301085v1
Source
Hal-Diderot
Keywords
Language
English
License
Unknown
External links

Abstract

This study investigates the impact of a training program on sleep among endurance runners and the benefits of chronically using a high-heat-capacity mattress topper (HMT). Twenty-one trained male athletes performed a 2-week usual training regimen, sleeping on a Low-heat-capacity Mattress Topper (LMT), followed by 2-week overload and taper periods. From overload, participants were assigned into two groups based on the mattress topper used: HMT (n = 11) or LMT (n = 10). Irrespective of the group, overload increased general stress and stress-reaction symptoms evaluated by questionnaires, with no decline in performance on a graded-exercise treadmill test, the majority of participant being "non-overreached" (n = 14). From a daily perspective, each additional 100 A.U. in training load, assessed using the session rating of perceived exertion, was associated with an impairment in subsequent sleep efficiency (β = -0.2%; p < 0.01), wake after sleep onset (β = +0.4 min; p < 0.05) and sleep onset latency (β = +0.5 min; p < 0.05), which was unaffected by HMT use. Practitioners should be aware of sleep needs, especially during excessive training loads, whereas implementing individualised sleep strategies. Further studies should be conducted on potential benefits of HMT among athletes in various sleep conditions.

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