1. 名詞
   不可數名詞: 睡意
   打瞌睡的樣子
   想睡的樣子
   睏倦
   寧靜
   

   同義字詞
   doziness,drowsiness,somnolence
   

例句

1. Sleepiness filled it like a thick fog.
2. As a result, daytime sleepiness is common.
3. Sleepiness during the day is a big problem.
4. They include sleepiness , dizziness, and fatigue.
5. Newer antihistamines cause little or no sleepiness .
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