不 眠(ふみん)

ふみん

noun

insomnia, sleeplessness

medical

1. insomnia, sleeplessness

The inability to sleep or the condition of being unable to get adequate sleep.

不眠(ふみん)に悩(なや)んでいる。

I'm struggling with insomnia.

ストレスが原因(げんいん)で不眠(ふみん)になった。

Stress caused me to develop insomnia.

不眠(ふみん)が続(つづ)くようなら、早(はや)めに医師(いし)に相談(そうだん)したほうがいい。

If insomnia persists, you should consult a doctor sooner rather than later.

Usage

Used both as a medical term and in everyday conversation. 不眠症(ふみんしょう) is the clinical term for insomnia as a diagnosed disorder, while 不眠(ふみん) can refer to any instance of sleeplessness.

Common collocations

不眠症(ふみんしょう): insomnia (clinical term)
不眠(ふみん)に悩(なや)む: to suffer from insomnia
不眠(ふみん)不休(ふきゅう): without sleep or rest (working tirelessly)
不眠(ふみん)の原因(げんいん): cause of insomnia

Related Words

Antonym: 熟睡(じゅくすい) (deep sleep)

Related: 寝(ね)つき (ability to fall asleep)

general

Added 2026.2.13 14:17 · Revised 2026.9.2 13:01

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