Sleep over. To sleep in another person's home as their guest. 睡在别人家. 例句： My son is sleeping over at his friend's house tonight. 我儿子今晚在朋友家睡。 所以，sleep over不是“睡过头”，而是“在别人家过夜”。 如果要表达“睡过头”，可以说： oversleep.