It's sleeping in class
睡觉───sleep;上课───attend class;class begins
His mind was in such a turmoil that he couldn't get to sleep.───内心的纷扰使他无法入睡.
This medicine will ensure you a good night's sleep.───这药能保证你睡一夜好觉.
Hush now and try to sleep.───别出声了，睡吧。
This gas will put you to sleep during the operation.───这种气体将使你在手术中处于睡眠状态.
Since 1991, parents have been advised not to put their infants down to sleep in the prone position.───自1991年以来就一直建议父母不要让婴儿趴着睡觉。
Deep sleep came to him.───他睡得很熟.
The convertible sofa means that the apartment can sleep four.───有了这张折叠沙发,公寓里可以睡下4个人.
When I read this article, thoughts thronged my mind and I couldn't sleep.───读了这篇文章后,我浮想联翩,夜不能寐.
Now I shall go to sleep. Good night.
She had just woken from a deep sleep.
I must have dropped off to sleep .
Those who sleep with dogs will rise with fleas.
I aroused Kyle from his sleep.