Chronic sleep restriction negatively affects athletic performance

A new study found that chronic sleep restriction negatively affects athletic performance. Results show that following sleep restriction, energy expenditure during submaximal exercise decreased 3.9 percent; maximal aerobic power decreased 2.9 percent and time to exhaustion decreased by 10.7 percent (37 seconds). Submaximal heart rate decreased after sleep restriction, as well as peak heart rate and Psychomotor Vigilance Test response speed.