
Leaving a newborn to cry it out is a highly debated topic. While some believe that it is dangerous and can increase a baby's stress levels, others argue that it is an effective sleep training method that can teach babies to self-soothe and fall asleep independently. The cry it out method, also known as the extinction method, involves letting a baby cry during sleep training, with the understanding that all their needs have been met. Pediatricians generally recommend against sleep training for newborns, as they are still adjusting to life outside the womb and are learning the difference between night and day. However, as babies grow older, some sleep training methods suggest that letting them cry for short periods of time can help them develop self-soothing skills and improve their sleep patterns.
Can you leave a newborn to cry to sleep?
| Characteristics | Values |
|---|---|
| Cry-it-out method | CIO (cry-it-out or extinction) method is a way to give your baby the space to learn to sleep |
| Age | Pediatricians recommend not starting sleep training until the baby is 12 weeks old and weighs 12 pounds. |
| Self-soothing | Babies can learn to self-soothe and fall asleep on their own |
| Sleep training | Graduated extinction, scheduled awakening, and reinforcement of sleep rhythms are some methods of sleep training |
| Benefits | Babies who self-soothe have lower levels of cortisol, a stress hormone, and show no signs of attachment or emotional issues |
| Risks | Crying can be a precursor to sound sleep, but it can also be a signal for help |
| Alternatives | Preventing overtiredness, ensuring full feeds, and differentiating between day and night are ways to optimize a newborn's sleep without using the cry-it-out method |
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What You'll Learn
- The cry-it-out method is not recommended for newborns
- Crying is how newborns communicate their needs
- Sleep training methods like CIO help babies learn to self-soothe
- Graduated extinction involves delaying responses to a baby's cries
- Pediatricians recommend waiting until a baby is 12 weeks old for sleep training

The cry-it-out method is not recommended for newborns
The cry-it-out method is a sleep training tactic that involves letting a baby cry as they learn to fall asleep on their own. While it can sound harsh, the idea is that a baby can learn to self-soothe and fall asleep independently. However, this method is not recommended for newborns for several reasons.
Firstly, newborns have not yet developed self-soothing behaviours. They rely on their caregivers to soothe them by providing movement, swaddling, offering a pacifier, or shushing, among other methods. As they get older, babies will start to demonstrate self-soothing behaviours, such as sucking on their hands or moving their arms and legs in a repetitive manner. Most babies begin to exhibit the ability to self-soothe around four months old, so it is not advisable to employ the cry-it-out method before this milestone.
Additionally, during the first 12-16 weeks of life, a baby's circadian rhythm is still maturing, and they are adjusting to life outside the womb, learning to differentiate between night and day. Their sleep patterns are disorganized, and sleep training methods will not be effective during this period. Newborns also communicate their needs, such as hunger, through crying. Leaving a newborn to 'cry it out' could result in missing crucial needs, such as feeding or a diaper change, which could be detrimental to their well-being.
While the cry-it-out method may be appropriate for older babies and can lead to improved sleep habits, it is essential to wait until a newborn has developed the necessary self-soothing skills and a more established circadian rhythm before considering this sleep training approach.
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Crying is how newborns communicate their needs
Crying is the primary way newborns communicate their needs. They eat, sleep, and poop, but they also get gas, have difficulty orienting day and night, and do not have their circadian rhythm figured out. Their only form of communication is crying, which is how they tell their caregivers that they need something. Leaving a newborn to "cry it out" can be dangerous, as their needs may be missed. For example, newborns generally eat every 2-4 hours and tend to cluster feed. If a newborn is left to cry, they may not receive the food they need.
Newborns also rely on their caregivers for soothing. This can include providing movement (e.g., rocking), swaddling, offering a pacifier, or shushing. As they get older, they will start to demonstrate self-soothing behaviours, such as sucking on their hands, shaking their head side to side, or moving their arms or legs in a repetitive manner. Most babies start demonstrating the ability to self-soothe around 4 months old.
Sleep training methods, such as the "cry-it-out" (CIO) or "controlled crying" method, involve letting a baby cry as they learn to fall asleep on their own. This method is typically recommended for babies who are at least 12 weeks old and weigh at least 12 pounds. The idea behind crying it out is that a baby can learn to soothe themselves to sleep, which may lead to more solid and independent sleep skills over time.
However, it is important to note that crying can be a precursor to sound sleep, and there may be times when a baby's cries are signals for help. While some studies suggest that it is typically okay to let a baby "cry-it-out," it is not recommended for newborns. Newborns are still adjusting to life outside the womb and learning the difference between night and day, so their sleep is very disorganized, and sleep training will not be effective. Instead, it is recommended to focus on preventing overtiredness, ensuring good full feeds, and helping newborns differentiate between day and night.
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Sleep training methods like CIO help babies learn to self-soothe
Sleep training methods like the Cry It Out (CIO) method can help babies learn to self-soothe and develop solid and more independent sleep skills over time. CIO is an umbrella term for several methods that involve letting a baby cry as they learn to fall asleep independently.
The CIO method works on the principle that babies need to learn how to fall asleep, just like they learn other skills such as rolling over, crawling, and walking. It involves putting the baby to bed when they are drowsy but still awake and then letting them cry for a certain period before responding. For instance, the Ferber method, a popular CIO approach, suggests letting the baby cry for 3 minutes, then 5 minutes, and then 10 minutes on the first night, gradually increasing the intervals over subsequent nights.
The CIO method can be challenging for parents, as it may involve listening to their baby cry for extended periods. However, research suggests that it is typically okay to let babies cry for short periods, and they will eventually learn to self-soothe and fall asleep independently. A study published in Pediatrics in 2016 found that babies who self-soothed to sleep showed no greater signs of attachment or emotional issues a year later, and their levels of cortisol (a stress hormone) were lower than those in the control group.
It is important to note that sleep training methods like CIO are generally not recommended for newborns. Newborns rely on caregivers for soothing, and their only form of communication is crying, which they use to signal their needs. Leaving a newborn to "cry it out" could result in missing essential needs such as feeding or a diaper change. Additionally, during the first 12-16 weeks of life, a baby's circadian rhythm is still maturing, and they are learning the difference between night and day, making sleep training less effective during this period.
Instead of CIO, parents can focus on optimizing their newborn's sleep by preventing overtiredness, ensuring good full feeds, and helping the baby differentiate between day and night. Once a baby reaches 3-4 months old and starts demonstrating self-soothing behaviors, parents can consider sleep training methods like CIO if they feel it is appropriate for their child.
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Graduated extinction involves delaying responses to a baby's cries
The "cry it out" method of sleep training involves putting your baby to bed and letting them cry until they fall asleep without a parent's intervention. Graduated extinction, also known as the "cry-it-out" approach, is a sleep training method that involves delaying responses to a baby's cries for longer and longer periods. This method is based on the idea that a baby can learn to soothe themselves to sleep instead of relying on a caregiver, which may lead to more solid and independent sleep skills over time.
Graduated extinction involves putting the baby to bed when they are drowsy but still awake and then letting them cry for a few minutes before responding. The first night, parents can go in after 2 to 3 minutes, then again after 5 minutes, and then after 10 minutes. The time between responses is then gradually increased by 5-minute increments. For example, on the second night, the intervals might be 5 minutes, 10 minutes, and 12 minutes. Each time, parents can simply pick up their baby, assure them, and then leave again. These visits should be kept brief, no more than 1 to 2 minutes.
The idea is to continue gradually extending the time between responses over several days or nights. This method is designed to help babies learn to fall asleep on their own and develop better sleep habits. It is important to note that this method may not work for all babies, and parents should consider their child's temperament and needs when deciding on a sleep training approach.
Research suggests that the graduated extinction method is generally safe and effective. A study found that babies who were sleep-trained using this method fell asleep 13 minutes faster and woke up less often than the week before the study began. Another study of 43 infants in Australia showed that those who self-soothed to sleep had lower levels of cortisol (a stress hormone) and no greater signs of attachment or emotional issues a year later.
However, the "cry-it-out" method, including graduated extinction, has been viewed as cruel or dangerous by some parents due to concerns about the potential impact on a baby's stress levels and future behavioural problems. It is essential to consider the potential challenges and criticisms of this method and seek advice from healthcare professionals when deciding on a sleep training approach.
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Pediatricians recommend waiting until a baby is 12 weeks old for sleep training
The "'cry it out' (CIO) method is an umbrella term for several sleep training methods that involve letting a baby cry as they learn to fall asleep on their own. While some parents may view this as cruel or dangerous, research suggests that it is typically okay to let your baby cry it out. A study published in Pediatrics in 2016 found that babies who self-soothed to sleep showed no greater signs of attachment or emotional issues a year later, and had lower levels of cortisol, a stress hormone.
However, pediatricians recommend waiting until a baby is 12 weeks old before beginning sleep training. This is because it takes babies around three to six months to develop their internal body clock or circadian rhythm. Before this, they may not be developmentally ready for sleep training. During the first few weeks and months, it is important for parents to focus on establishing a healthy sleep foundation for their baby and learning their baby's sleep cues.
There are several popular sleep training methods that parents can choose from, including the cry-it-out method. The cry-it-out method involves putting your baby to bed when they are tired but still awake, helping them learn the skill of falling asleep independently. This method can be challenging for parents, as it can involve listening to their baby cry.
One variation of the cry-it-out method is the Ferber method, which involves setting specific time increments to check on the baby if they are crying. On the first night, parents might go in after 3 minutes, then 5 minutes, and then 10 minutes. The second night, the intervals might be more like 5 minutes, 10 minutes, and 12 minutes. Each time, parents can pick up their baby, assure them, and then leave again.
Another variation is the graduated extinction method, also known as interval-based reassurance. This method involves checking in on the baby at set intervals throughout the night, gradually increasing the time between responses. For example, the first night, parents might let the baby cry for 5 minutes before responding, and then extend the time by 5-minute increments.
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Frequently asked questions
No, it is not recommended to leave a newborn to cry to sleep. Newborns rely on their caregivers to soothe them and have not yet developed self-soothing behaviours. Leaving a newborn to "cry it out" could be dangerous as you may miss meeting one of their needs, such as feeding or a diaper change.
It is recommended to wait until your baby is at least 12 weeks old and weighs at least 11-12 pounds before starting sleep training, including the "cry it out" method. This is because, during the first 12-16 weeks of life, your baby's circadian rhythm is still maturing, and they are adjusting to life outside the womb, learning the difference between night and day.
The "cry it out" (CIO) method, also known as the extinction or Ferber method, is a sleep training technique that involves letting your baby cry for periods of time to give them the space to learn how to self-soothe and fall asleep independently. This method typically involves meeting all your baby's needs before placing them in their crib while they are drowsy but still awake and then leaving the room, allowing them to cry for a set period before responding.











































