Sleep problems beyond these ages take many forms, including difficulty falling asleep at night, frequent nighttime awakening, atypical daytime napping, and dependence on feeding or being held for sleep.

• 大于这个年龄的睡眠问题各不相同，如，夜间难以入睡、间频繁醒来、间瞌睡无规律，喂着或抱着才能入睡等。