A 19-h spontaneous sleep period in idiopathic central nervous system hypersomnia.


Reports of prolonged sleep periods in idiopathic central nervous system hypersomnia, as shown by ad libitum sleep recordings, are rare. A patient with idiopathic hypersomnia with extremely long sleep periods and sleep drunkenness after awakening is described. Polysomnographic recordings showed a spontaneous sleep period of 19.4 h and a normal Multiple Sleep… (More)


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