名词嗜睡; 睡意
drowsiness
1. 嗜睡：1.嗜睡(drowsiness) 意识清晰度水平降低较轻微,在安静环境下处于嗜睡状态,被呼喊或推动可立即清醒,并能正确地进行交谈,但剌激一旦消失病人又马上入睡.
2. 困倦：临床上,一般把整个睡眠过程分为:①困倦(drowsiness),②轻度睡眠(light sleep),③中度睡眠(moderate sleep),④深度睡眠(deep sleep)和⑤REM睡眠五个阶段. 从清醒到深度睡眠是一个逐渐过度的过程,一般不可能确定某一时刻的睡眠等级. 习惯上,
3. 睡意：euphoria(欣快症) | drowsiness(睡意) | hepatitis(肝炎)
4. 困倦想睡：日夜节律 circadian rhythms | 困倦想睡 Drowsiness | 困睡度 sleepiness
1. But even though yawning and drowsiness occur together, no experiment has shown a causal connection.
2. There is no question that yawning occurs most frequently before and after sleep, and the feeling of drowsiness accompanies increased yawning.
3. drowsiness
3. It is commonly believed that people yawn as a result of drowsiness or weariness because they need oxygen.
4. It is produced at night by the pineal gland at the base of the brain, bringing on drowsiness.
noun