While your baby will have her own sleep rhythm, here's what you can generally expect.

During the first two weeks of life and for some time after that, your baby's tummy will dictate her sleep routine. Breast-fed babies will need to eat every two to three hours; formula-fed babies every three to four. Infants are able to sleep for longer periods between feedings when they reach about 12 pounds.

在生命的前两周和之后的一段时间里，宝宝的肚子会支配她的睡眠规律。母乳喂养的婴儿每两到三个小时就需要进食;配方奶粉(每3 - 4个)当婴儿达到12磅时，他们可以在喂食的时间间隔更长的时间睡觉。

As infants get older, they naturally become more alert during the day and more sleepy at night. However, most babies at this age still need at least two 1- to 3-hour naps each day. All babies nap for different lengths of time, but if your baby sleeps longer than three or four hours during daytime naps, wake her up so that she will be sleepy at bedtime.

随着婴儿年龄的增长，他们自然会在白天变得更加清醒，晚上也会更加困倦。然而，这个年龄段的大多数婴儿仍然需要每天至少2 - 3个小时的午睡。所有的婴儿都会在不同的时间小睡，但是如果你的宝宝在白天小睡的时间超过三到四个小时，叫醒她，这样她就会在晚上睡觉的时候睡的更多。

Your baby will probably start to skip one predawn feeding and nurse longer right before bedtime to stock up for the night. Keep in mind, though, that it's normal for babies this age to fuss or wake up several times during the night.

你的宝宝可能不会在临近天亮的时候起来吃奶，但是半夜多次醒来也是正常的。

By three months, babies are ready to have a more formal bedtime. Now is the time to get your baby used to falling asleep after feeding, not during it. At first, this may be difficult, if not impossible, but getting him used to being placed in his crib while he's at least partially awake will make the bedtime routine easier as he gets older.

三个月后，婴儿就可以有更正式的就寝时间了。现在是时候让你的宝宝习惯于在喂食后入睡，而不是在睡觉的时候。起初，这可能是困难的，但也不是不可能的。至少在他清醒的时候是被放在婴儿床里的，随着年龄的增长，他的睡眠习惯会越来越好。

At this age (or 12 to 13 pounds) most babies no longer need to wake up for middle-of-the-night meals. This means they now can -- and do -- sleep through the night.

在这个年龄(也就是12到13磅)，大多数婴儿不再需要半夜起床来吃夜宵。这意味着他们现在可以睡一整夜。