For infants ~ usually, at the age of eight months (or sooner)
your infant will start the routine of crying when you leave the room. This is
after he had bath time, last bottle feeding, diaper changed, book read, and
was placed in the crib. Make sure he has his favorite attachment with him
(blanket, stuffed animal, or binky). Turn down the light, and allow a night
light or a hallway light to lighten the room a little bit. Let him cry for a
little while – anywhere from one to five minutes. Go back in and soothe him
without picking him up. Leave again, and stay out for a few minutes longer. For
example: The first night stay out one minute, then three, then five, and
continue to go in every five minutes if he is still crying. The next night try