Meaning of “delayed sleep phase pattern” in the English Dictionary

british dictionary

"delayed sleep phase pattern" in British English

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delayed sleep phase patternnoun [ S ]

uk /dɪˌleɪd ˈsliːp feɪz ˌpæt.ən/ us /dɪˈleɪd ˈsliːp ˌfeɪz ˌpæt̬.ɚn/ specialized

a situation in which someone falls asleep and wakes later than most people:

(Definition of “delayed sleep phase pattern” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)