略語大辞典 [Med] 9 DSPS delayed sleep phase syndrome 遅延睡眠相症候群. 体内時計の変調により睡眠時間が異常となる症候群. delayed sleep phase syndrome; a sleep problem; a form of insomnia in which patients prefer to sleep at hours that are much too late to be compatible with a conventional lifestyle; usually wake up before sufficient sl 丸善「略語大辞典」JLogosID : 11872549