A 90 min Daytime Nap Opportunity Is Better Than 40 min for Cognitive and Physical Performance

  title={A 90 min Daytime Nap Opportunity Is Better Than 40 min for Cognitive and Physical Performance},
  author={Omar Boukhris and Khaled Trabelsi and Achraf Ammar and Raouf Abdessalem and Hsen Hsouna and Jordan M. Glenn and Nicholas T Bott and Tarak Driss and Nizar Souissi and Omar Hammouda and Sergio Garbarino and Nicola Luigi Bragazzi and Hamdi Chtourou},
  journal={International Journal of Environmental Research and Public Health},
This study examined the effects of different nap durations on attention and physical performance as well as mood states, sleepiness, perceived exertion (RPE), recovery (PRS), and muscle soreness (DOMS) in trained men. Fourteen amateur team sport players (age: 20.3 ± 3.0 years, height: 173.1 ± 6.7 cm, body-mass: 68.1 ± 6.6 kg) performed a maximal voluntary isometric contraction (MVIC) test, 5-m shuttle run, and the digit-cancellation (i.e., attention) test after a no-nap (N0) and 40-min (N40… 

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