four in the morning
`` You must go home , Peggy , dear , '' she said . `` It is disgraceful for you to stay up so late . I went to bed at eight o'clock the night before I was married . '' `` And fell asleep at four in the morning , '' smiled Peggy . `` You are quite mistaken , my dear . I did not fall asleep at all . But I wo n't allow you to stop a minute longer .