すいみんぶそく

睡眠不足
lack of sleep

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すいみんぶそく【睡眠不足】

lack [want] of sleep; insufficient sleep; 〔極度の〕 sleep deprivation.

●睡眠不足で神経がとがっていた. My nerves were on edge from lack of sleep.

●ときどき睡眠不足を取り戻す必要があった. Sometimes I had to catch up on sleep.

・土曜までの睡眠不足を日曜に取り戻す. On Sunday I make up for my lack of sleep from Monday through Saturday.

●君は睡眠不足だ. You are short of sleep.

・彼のいらいらは睡眠不足から来ている. It's want of sleep that is making him irritable.