Anybody else have the problem of having two totally different baby's at night vs in the day? My…

Anybody else have the problem of having two totally different baby's at night vs in the day? My baby's so easy she's an angel all day and then at night she screams all night. I don't think it's a health problem or milk problem because she eats and sleeps just fine all day. Only at night it seems like somethings bothering her