My grand-son Matthew is now five weeks old. He weighed 7lbs, 9oz at two weeks and 9lbs,15oz at 4 weeks. He is holding up his head even at five weeks. Matthew sleeps for three hours during the day and at night. While he is sleeping, he makes various sounds and moves his hands and feet. My daughter Monique worried about that, but I reminded her that he is only a baby getting used …