1.
sleep deprivation; lack of sleep; insufficient sleep
a condition of not getting enough sleep
睡眠不足で頭が痛い。
I have a headache from lack of sleep.
睡眠不足が続くと、体調を崩しやすくなる。
If sleep deprivation continues, you become prone to falling ill.
彼は慢性的な睡眠不足に悩まされている。
He suffers from chronic sleep deprivation.
COMPOUND:
睡眠 (sleep) + 不足 (insufficiency/shortage)
COMMON COLLOCATIONS:
- 睡眠不足を解消する - to remedy sleep deprivation
- 睡眠不足が続く - sleep deprivation continues
- 慢性的な睡眠不足 - chronic sleep deprivation
HEALTH EFFECTS:
Prolonged sleep deprivation can lead to:
- 集中力の低下 (decreased concentration)
- 免疫力の低下 (weakened immune system)
- 生活習慣病のリスク増加 (increased risk of lifestyle diseases)
RELATED:
- 寝不足 - more casual way to say "lack of sleep"
- 不眠症 - insomnia (medical condition)