1.to go to sleep, especially when you do not intend to
1.A chronic lack of sleep may cause far more serious problems than a tendency to nod off the next day, researchers warn.
科学家警告说，长期睡眠不足可导致的问题也许会比白天老打瞌睡更严重。
2.Then there is her habit of appearing to nod off momentarily between utterances, as if she were on something stronger than electricity.
而且她还有个习惯，说话的时候一个劲的点头，好像她用的不是电，而是比电结实得多的东西。
3.A recent study found people who struggled to nod off had up to a 45 percent greater risk of heart problems than those who slept soundly.
最近的一项研究表明，入睡困难的人比那些睡得很香的人罹患心脏病的几率高出45%。
4.I nod off, I wake up in strange places. I have no idea how I got there.
我常打盹，醒的时候却在不同的地方，我完全不知道是怎么到那的。
5.He began to nod off in front of the TV.
他在电视机前打起了瞌睡。
6.Men are far less likely to nod off when they're ravenous, and pillow-talk over breakfast in bed can be particularly intimate.
当他们饿的时候男人不太可能打瞌睡，而且在床上边吃早餐边谈话会更显得亲密。
7.I don't want to nod off during cultural events, and I no longer have my husband to spell me at the wheel.
现在，我不会在参加文化活动时睡意朦胧，同时再也不需要我丈夫不断提醒我安全驾驶。
8.One by one, they nod off; bar Leonard, who forces himself to stay awake till midnight.
孩子一个接一个睡着了，除了伦纳德，他强迫他自己保持清醒直到午夜。
9.These days I felt I was easy to nod off. I didn't know it was because of Winter or because of pregnancy.
近两天开始感觉到稍微容易犯困，不知是冬季的原因，还是进入孕晚期的缘故。
10.I often nod off for a little while after lunch.
我在午饭后常睡一小觉。