"My 3-month-old doesn't sleep through the night, and it's fine with me. I keep her in her crib or a bassinet until her 3 a.m. feeding, and then she joins my husband and me until we get up for work. She won't go in her crib unless she's already asleep, usually from nursing and rocking, but she'll fall asleep in her bassinet beside our bed. She's happy and we're happy, and even if it goes against the wisdom of the experts, it's working for us."
In clinic, I help parents with their children’s sleep problems. But in my own home, I found it challenging to apply the techniques I recommended to others. What seems obvious in a brightly-lit exam room is harder to follow at 2 a.m. Like many pediatricians do with their own children, I elected to try extinction sleep training, which involves letting a child cry in order to learn to soothe himself to sleep on his own. Night one was relatively easy, but night two left my wife in tears and me feeling like a heel. Things improved on night three, and our son scarcely cried on night four. By the end of the week, he was sleeping through the night again.
Most sleep coaches say the ideal time to start sleep training (or promote independent sleep, not necessarily using the cry-it-out method) is based on your baby’s development, but is usually somewhere between four and six months, when your baby hasn’t had much time to get used to nursing or rocking to sleep. At this stage, most babies are also developmentally ready to learn the skill of falling asleep on their own, explains Jennifer Garden, an occupational therapist who runs Sleepdreams in Vancouver. Around four months of age, some babies go through a sleep regression because their sleep cycles change and there are longer periods of lighter sleep per cycle. “It’s a great time to work on independent sleep skills,” says McGinn. Other babies’ slumber derails around this time because they are working on new skills, like moving around and rolling. Some parents choose to wait until things settle down before embarking on a sleep-training method, but you don’t have to, says McGinn.