Don't let the bedbugs bite.晚安

几个句子是有关睡觉的：1.Sweet dreams! 做个好梦。2.Wake me up at seven tomorrow. 明天7点叫醒我。3.Make sure you brush your teeth.一定要刷牙噢。4.Why don't you take a nap? 你干嘛不睡午觉？