drowsiness

基本解释

Since some medicines cause drowsiness, it's best not to drive while taking them.
因爲有些葯會使人産生睡意，所以喫了葯最好不要開車。
Only once, however, was she overcome by actual drowsiness. In that moment of oblivion her head sank gently against him.
但是也衹有一次，她才真正讓沉重的睡意征服了，在她昏睡的那一刻裡，她輕輕地把頭靠在了他的身上。
The servants thought me gone to shake off the drowsiness of my protracted watch; in reality, my chief motive was seeing Mr Heathcliff.
僕人們以爲我是去擺脫我那因長久守夜而産生的睏倦；其實，我主要的動機是想見到希刺尅厲夫。

More severe seizures are often followed by what doctors call a "post-ictal period" of confusion and drowsiness.
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The drugs affect a neurotransmitter in the brain called acetylcholine and can cause dizziness, drowsiness, confusion, and memory loss.
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It's even possible that, like Claritin, it wouldn't cause drowsiness--although extensive study would be necessary to find that out.
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疲勞駕駛
Statistics show that most of traffic accidents caused by drivers’drowsiness, inattentiveness.
統計表明,許多的交通事故是由於司機疏忽或疲勞駕駛引起的。
心理學
睏倦