How to Say ‘Can't sleep’ in Japanese
ねむれない
nemure nai
[neh-moo-reh nye]
💬 Usage Tip: Potential negative: [ねむれる] (can sleep) → [ねむれない] (can’t sleep). Useful for explaining impact.
🇯🇵 In Japan: Giving a reason (sleep) is persuasive in Japan—people respond better to “problem + effect” than criticism.
Phrase Breakdown
ねむれ
nemure
[neh-moo-reh]
can sleep (potential form stem)
This is the potential form base of 「ねむる」 (“to be able to sleep”). Combined with 「ない」 becomes “can’t sleep.”
音が気になってねむれないです。
I can’t sleep because the noise bothers me.
ない
nai
[nye]
not; cannot (negative)
「ない」 makes a verb negative. 「ねむれない」 = “can’t sleep,” a common, sympathetic reason when asking for quiet.
夜は音がしてねむれないです。
At night there’s noise and I can’t sleep.
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