Sleep Training Methods Compared: CIO, Ferber, and No-Cry Options
There's no single right way to help your baby sleep through the night. We break down the most popular sleep training methods so you can choose what works best for your family.
When Can You Start Sleep Training?
Most pediatricians recommend waiting until babies are at least 4–6 months old before sleep training. By this age, many babies are developmentally capable of sleeping longer stretches and self-soothing. Always confirm with your doctor before beginning.
Cry It Out (Extinction Method)
The baby is placed in the crib awake and parents do not return until morning (or a set time). This method tends to work quickly — often within 3 nights. It can be emotionally difficult for parents, but research consistently shows it does not cause long-term psychological harm to babies.
The Ferber Method (Graduated Extinction)
Parents check in at progressively longer intervals (e.g., 3 minutes, then 5, then 10) without picking up the baby. The check-ins provide reassurance while still encouraging self-soothing. This is a middle-ground approach that many parents find manageable.
No-Cry Methods
Approaches like the "Sleep Lady Shuffle" or Elizabeth Pantley's no-cry method involve gradual parental withdrawal — slowly moving further from the crib each night over 2–4 weeks. These take longer but involve little to no crying. They work well for families who find prolonged crying too stressful.
Chair Method
A parent sits in a chair near the crib until the baby falls asleep, moving the chair further away every few nights until they're outside the room. Gentle and gradual, though it requires significant consistency.
Choosing What's Right for Your Family
The best sleep training method is the one you can implement consistently. A method abandoned after one hard night accomplishes nothing. Consider your baby's temperament, your own stress tolerance, and your living situation when choosing an approach.