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Relationships Between Training Load, Perceived Cognitive Load and Sleep in Student-Athletes.

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  • 1School of Kinesiology and Exercise Science, University of Montreal, Montreal, Qc, Canada.

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High cognitive load and internal training load negatively impact student-athlete sleep quality and duration. Cognitive arousal, not physiological arousal, is linked to post-match sleep disturbances in volleyball players.

Keywords:
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Area of Science:

  • Sports Science
  • Sleep Research
  • Exercise Physiology

Background:

  • Student-athletes require optimal sleep for academic and athletic success.
  • Understanding factors affecting sleep in this population is crucial.
  • Previous research has explored training load's impact, but cognitive aspects need further investigation.

Purpose of the Study:

  • To examine the relationship between training load (TL), perceived cognitive workload, and sleep in male varsity volleyball athletes.
  • To identify physiological and cognitive mechanisms contributing to post-match sleep disturbances.

Main Methods:

  • A 12-week study involving 12 varsity male volleyball players.
  • Daily surveys assessed sleep, internal TL, and cognitive load.
  • Wearable jump monitors measured external TL.
  • Pre-Sleep Arousal Scale and Ottawa Mental Skills Assessment Tool were administered.

Main Results:

  • Perceived cognitive load negatively affected total sleep time and sleep quality.
  • Internal TL was detrimental to sleep quality.
  • Cognitive pre-sleep arousal negatively correlated with sleep efficiency and sleep onset latency.
  • Mental skills did not show an effect on post-match sleep.

Conclusions:

  • Assessing perceived cognitive workload is vital for monitoring student-athletes.
  • Elevated cognitive arousal is associated with increased sleep onset latency and decreased sleep efficiency post-match.
  • Cognitive arousal appears to be the primary driver of post-match sleep difficulties, rather than physiological arousal.