1、睡觉英语的说法是：sleep，fall asleep; go to bed; have a sleep。

2、例句：Nocturnal animals sleep by day and hunt by night。意思是：夜间活动的动物白天睡觉晚上猎食。I sleep with the window open unless its really cold。意思是：天气若不很冷，我总开着窗户睡觉。