Jisho

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睡眠相前進症候群
Wikipedia definition
1. Advanced sleep phase disorderAdvanced sleep phase disorder (ASPD), also known as the advanced sleep-phase type (ASPT) of circadian rhythm sleep disorder or advanced sleep phase syndrome (ASPS), is a condition in which patients feel very sleepy and go to bed early in the evening and wake up very early in the morning .
Read “Advanced sleep phase disorder” on English Wikipedia
Read “睡眠相前進症候群” on Japanese Wikipedia
Read “Advanced sleep phase disorder” on DBpedia

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