Effects of training and competition on the sleep of elite athletes: a systematic review and meta-analysis

To characterise the sleep of elite athletes and to identify factors associated with training and competition that negatively affect sleep.Prognosis systematic review.Three databases (PubMed, SCOPUS and SPORTDiscus) were searched from inception to 26 February 2018.Included studies objectively reported total sleep time (TST) and/or sleep efficiency (SE) in elite athletes. Studies were required to be observational or to include an observational...