睡眠不足
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Meanings
1
lack of sleep; sleep deprivation
Refers to insufficient sleep, often with health or performance consequences. Used in both casual and formal contexts.
Lately I can't concentrate because of lack of sleep.
Lack of sleep is bad for your health.
Usage patterns
- 〈人〉が睡眠不足になるfor someone to become sleep-deprived
I've been sleep-deprived lately because I'm busy.
- 睡眠不足で〈事〉to do something as a result of lack of sleep
I made a mistake at work because of sleep deprivation.
- 睡眠不足を解消するto make up for/resolve sleep deprivation
I slept a lot over the weekend and made up for my lack of sleep.
- 慢性的な睡眠不足chronic sleep deprivation
He suffers from chronic sleep deprivation.