有些婴儿夜间很兴奋,睁开眼睛无睡意,如果熄灯就哭闹不止,而白天反而睡得又香又甜。这种现象俗称“昼夜颠倒”。如果婴儿出现这种情况,不必着急。因为在母体内时,婴儿是分不出昼夜的。出生后尚未适应外界环境,睡眠规律尚未形成,不会分辨白天黑夜。如果父母不分白天黑夜隔一会就喂一 Some babies are very excited at night, open their eyes without sleepy, if the lights on more than crying, but slept during the day and sweet and sweet. This phenomenon is commonly known as “day and night upside down.” Do not worry if this happens to babies. Because in the mother, the baby can not distinguish day and night. After birth has not adapted to the external environment, the law of sleep has not yet formed, will not distinguish between day and night. If the parents regardless of the day and night, hello every other time to feed one