Don't sleep in class.这句话有没有错?

Don't sleep in class =()()in class I'm waiting for,I don't know whether you wait 这句话有没有错, "l don't get enough sleep lfeel tired in class" “Don't sleep in class,” the teacher side to the I don't think he can finish doing this work.这句话有没有错?若有,错在那里? The girl wears in yellow这句话有没有错 这句话有没有错有没有错? 请问这句话有没有错it is a class toward greater people's social skills I don't sleep in 这句话有语病没?The small children don't know what is in their stock Don't ____ too late!You'll sleep in class in the day.A.get u 这句话语法有错嘛?To realize the dream don't live in a dream