Particularités du sommeil polyphasique d'après la polysomnographie en mer chez 7 navigateurs de la route du Rhum 2014

Offshore solo sailing requires the setting-up of a polyphasic sleep in order to get proper refreshment. Sleep episodes disseminated all along the 24 hours have to be as short as possible and however should contain high quantity of deep sleep and paradoxical sleep. This sleep organization fulfills homeostatic and chronobiologic patterns. The polysomnographic recording onshore or offshore of seven sailors indicates that polyphasic sleep, if previously meticulously prepared in terms of rhythms, is composed of refreshing sleep fully needed for mental and physical recovery during races. Thus, the sleep doors were shown all along the 24 hours through a systematic but also individual expression.