寝不足

マユコは寝不足です。

Mayuko hasn't gotten enough sleep.

仕事が忙しくて寝不足だって

They say they're sleep-deprived because work has been keeping them busy.

— PERFECT BLUE (1998)

寝不足は体に悪い。

Lack of sleep is bad for your health.

最近、寝不足だ。

Lately, I haven't been getting enough sleep.

彼は昨夜寝不足なの

He didn't get enough sleep last night.

— 最強のふたり (2011)

寝不足で、眠い。

I'm tired because I didn't get enough sleep.

張り込みで寝不足なんですよ逆だ

I'm sleep-deprived from staking out. No, it's the other way around.

— 別れる決心 (2022)

寝不足で疲れてるんだ。

I'm tired because I haven't been getting enough sleep.

寝不足よ

I didn't get enough sleep.

— 恋する惑星 (1994)

寝不足で彼女は元気がなかった。

She was tired because she hadn't gotten enough sleep.