there are times when people are so tired that they fall asleep almost anywhere. we can see there is a lot of sleeping on the bus or train on the __1__ home from work in the evenings. a man will be __2__ the newspaper, and seconds later it __3__ as if he is trying to __4__ it. or he will fall asleep on the shoulder of the stranger __5__ next to him. __6__ place where unplanned short sleep __7__ is in the lecture hall where a student will start snoring (打鼾)so __8__that the professor has to ask another student to __9__ the sleeper awake.