My 3 week old is way off schedule. Sleeps most of the day and is awake for hours late at  night into the early morning. He seems to be uncomfortable at times. Crying moving his hands around and kicking his legs straight out. I am thinking it may be "colic"! He doesn't cry for hours on end but has his moments and wants to be walked in certain positions for hours.  He was born at home with no medic…