Abstract
The prevalence of polyphasic sleep (PS) in patients with sleep apnoea (OSA) is investigated in this study. In established PS the possible impact of OSA therapy on sleep behaviour was examined. Sleep patterns in 24 hours of initial recepted OSA patients were recorded by questionnaire (n = 163). In polyphasic sleepers the sleep patterns were reevaluated after OSA therapy initiation. In additional patients polyphasic therapy usage was investigated by telemonitoring data (n = 487). 39,6 % of the patients had PS. After OSA therapy initiation in 97,0 % of the polyphasic sleepers a monophasic device usage was established while 3,0 % had a polyphasic usage. PS was switched to monophasic sleep in 81,8 % of the patients. 15.2 % had preserved PS without device usage on daytimes. 2,9 % of the telemonitoring patients showed a polyphasic usage pattern. The prevalence of PS in OSA patients is higher than in the general population. PS is converted to monophasic sleep in 81,8 % after OSA therapy initiation. In preserved PS the majority of patients doesn't use the therapy while napping. Polyphasic device usage was 2,9 % in telemonitoring patients and 3,0 % of the controls of this study.
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