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TEMPERATURE CONTROLLED MATTRESS TOPPER IMPROVES SLEEP AND RECOVERY IN NCAA DIVISION I FEMALE SOCCER PLAYERS

Abstract

Casey Greenwalt, Marine Dupuit, Elisa Angeles, Phillipe Gaillard, Owen Munro, Sachin Narayanan, Michael Ormsbee, FACSM. Florida State University, Tallahassee, FL.

BACKGROUND: Sleep is imperative to physiological restitution and may have indices to improve performance. There is evidence to suggest that sleep quantity and quality may improve when sleeping in temperatures under 21º C. There is little data surrounding the topic of sleep temperature on performance and recovery in elite athletes, let alone elite female athletes. Therefore, the purpose of this study was to examine the impact that controlled sleep temperature has on sleep quantity, sleep quality, and markers of recovery (resting heart rate, heart rate variability, respiratory rate, and recovery score) in elite female athletes. METHODS: 24 Division I female soccer players wore a WHOOP® band continuously for 24h a day throughout the course of a season to measure their activity, sleep, and recovery metrics. Additionally, the players were provided a temperature-controlled mattress topper (ChiliPad®) to help regulate their sleep temperature. Sleep quantity and quality, as well as recovery measurements were recorded before two soccer home matches against top-20 ranked opponents; one with the temperature-controlled mattress (TCM) topper and one without (CON). Data were collected by the strength and conditioning staff as part of their regular athletic performance program, deidentified, and shared with the research team. RESULTS: TCM (7hours 33min) resulted in significantly more total hours of sleep (+32 min, p = 0.011) compared to CON (7 hours 01 min). Recovery score was not significantly altered between TCM (65.4 ±13.2%) and CON (56.8 ± 15.9%; p = 0.082). Subjective sleep quality (based on a scale from 1-10) was significantly higher with TCM (6.9 ± 0.6AU) vs. CON (6.0 ± 1.0AU, p = 0.002). CONCLUSION: The use of temperature-controlled sleep mattress toppers may help to improve sleep quantity and quality, however, more research is needed to understand how recovery and performance are impacted by the use of TCM. This study was funded in part by WHOOP, Inc. and SleepMe, Inc.

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