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不眠 (ふみん) Japanese meaning | Kotomora
Common word JLPT N1 Freq. Frequency Top 50,000 Meanings 1
noun, noun which may take the genitive case particle 'no'
sleeplessness ; insomnia ; wakefulness
Refers to the state of not sleeping, whether as a medical condition (insomnia) or simply being awake. Often used in compounds like 不眠症 (insomnia) or 不眠不休 (without sleep or rest).
よる
が
続つづ
い
た
。
Sleepless nights continued.
Similar words 不ふ 眠みん 症しょう 不眠症 specifically means 'insomnia' as a medical condition, while 不眠 is the broader state of sleeplessness or wakefulness.
寝ね 不ぶ 足そく 寝不足 is a more casual, everyday term for 'lack of sleep' or 'sleep deprivation,' often used for temporary tiredness, whereas 不眠 sounds more formal or clinical.
Etymology Compound of 不 (fu, 'not') and 眠 (min, 'sleep'), literally meaning 'not sleeping.' The reading is on'yomi, and the word is a standard Sino-Japanese term.