The Cry It Out (CIO) method is generally recommended for babies between 4 to 6 months old, once they have a more developed circadian rhythm and can go longer stretches without feeding, though some experts suggest waiting until closer to 6 months for better readiness, with many parents finding it suitable from 4-6 months or even up to 9 months. Starting around 4-6 months allows babies to learn self-soothing as their sleep cycles become more predictable, but always check with a pediatrician first, especially for premature babies or those not gaining enough weight.
The recommended age for letting a baby cry it out is 5 - 6 months or older. Since younger babies aren't always capable of consistently falling asleep independently, we recommend waiting until your baby is at least 5 months old before using a cry it out method at bedtime.
Pediatricians typically advise starting CIO no earlier than 4-6 months (specifically 16 weeks old and 14 pounds), when a baby's circadian rhythm is more developed and they can self-soothe. It's not suitable for newborns. How long should you let a baby cry it out?
Most people who agree that CIO is okay agree that around 16 weeks of age is okay to start. Most will also say between that 16 weeks and 6 months old is your sweet spot time when you will have the least amount of crying overall and the fastest success rate. This means fewer days of crying.
Many parents begin to pause before responding, or allow children to cry during bedtime without running to their sides around this age to teach children to sleep on their own. Even using this method, many suggest that babies should not be allowed to cry for more than 10 minutes without your attention.
The 5-3-3 rule is a loose guideline for structuring a baby's sleep schedule: 5 hours of wake time before the first nap, 3 hours of wake time before the second nap, and 3 hours before bedtime.
But it's important to note up front: The cry-it-out method has not been found to be harmful to babies. “There is no evidence to show that children have any social-emotional issues or resentment toward their parents later in life for letting them cry for a few minutes at nighttime,” Dr. Schwartz reassures.
Separation anxiety, on the other hand, can cause much longer phases of clinginess. According to the AAP, many children begin having some feelings of separation anxiety around the time they're 8 months old, with the phase peaking between 10 and 18 months and mostly resolving by the time a child turns 2.
SIDS is less common after 8 months of age, but parents and caregivers should continue to follow safe sleep practices to reduce the risk of SIDS and other sleep-related causes of infant death until baby's first birthday. More than 90% of all SIDS deaths occur before 6 months of age.
Children at risk for autism might cry or tantrum more often than other children. They might also begin to cry or fuss without an obvious trigger and/or not be soothed by common calming practices.
By 4 to 6 months of age, however, self-soothing behaviors at sleep onset and following nighttime awakenings begin to appear in some infants and tend to increase in frequency to the first birthday (Goodlin-Jones et al., 2001).
The 3-2-1 sleep rule is a simple wind-down routine: stop eating and drinking alcohol 3 hours before bed, stop working/mentally stimulating activities 2 hours before, and turn off screens (phones, TVs) 1 hour before sleep, helping you transition to rest by reducing stimulants and preparing your mind and body. It's often part of a larger 10-3-2-1-0 rule, which also adds no caffeine 10 hours prior and no hitting snooze (0) in the morning.
If a parent is constantly picking up their child when they awaken at night, the child is less likely to learn how to fall asleep on their own. You don't need to worry that letting a child self-soothe, or cry it out, will create some type of emotional detachment or barrier between you and your child.
The 3-minute rule means you should apply moisturizer to your baby's skin within three minutes of taking them out of the bath. After giving your baby a warm bath, gently pat them dry. Be careful not to rub their skin. Then, immediately rub a baby eczema cream onto their slightly damp skin.
How Much Crying Is Too Much Crying? On average, most families with which we work who do Cry It Out have babies who cry 30-45 minutes in one stretch. However, it's not uncommon for some babies to cry 1-2 hours during the height of sleep training. In some cases, babies become hoarse from crying.
Infants are at the highest risk for SIDS during their first 6 months of life. Most SIDS deaths occur when babies are between 1 and 4 months of age.
SIDS is the sudden and unexplained death of an infant between the ages of 1 month and 1 year old that doesn't have a known cause, even after a complete investigation.
Tummy Time for a Healthy Baby. Babies need tummy time! Although it does not directly reduce the risk of Sudden Infant Death Syndrome (SIDS), tummy time is an important way to help baby grow and develop.
The 7-7-7 rule of parenting generally refers to dedicating three daily 7-minute periods of focused, undistracted connection with your child (morning, after school, bedtime) to build strong bonds and make them feel seen and valued. A less common interpretation involves three developmental stages (0-7 years of play, 7-14 years of teaching, 14-21 years of advising), while another offers a stress-relief breathing technique (7-second inhale, hold, exhale).
If we had to pick, months two to four tend to be the toughest for most parents. The combination of prolonged sleep deprivation, increased fussiness, and developmental changes make this period particularly challenging. However, it's important to remember that every baby (and every parent) is different.
Early findings suggest that having a mother's smell nearby may support sleep regulation and help babies feel more settled. Other work is examining whether items carrying a familiar scent, such as clothing or bedding, can help infants feel comforted and ease the transition from wakefulness to sleep.
This approach to sleep training is considered one of the gentler ones, as many parents believe it teaches babies to self-soothe without feeling like they're leaving them alone in their cribs. "We do the pick up/put down method," says What to Expect Community user Szmama. "It works well for us.
A study by Gradisar et al. (2016) also conclude that cry it out-sleep training does not harm attachment. In this study, use has been made of objective measurements of attachment. The study found no difference in association between the intervention group and the control group one year after the intervention.
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