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Writer's pictureBrittney Koleszarik

Everything you need to know about the 4-month sleep regression!

If you're a new parent, you've likely heard of the dreaded 4-month sleep regression. This period of sleep disruption can be frustrating for both you and your baby, but understanding what's going on can make it easier to navigate.

What is the 4-month sleep regression?


The 4-month sleep regression is a developmental stage that many babies go through around the age of 4 months. During this time, your baby's sleep patterns may change, and they may begin waking up more frequently at night, taking shorter naps, and having a harder time falling asleep. Some babies may also be more fussy or irritable during the day.


Why does it happen?

The 4-month sleep regression happens because your baby is going through some major changes. Around this time, your baby is going through a growth spurt, which can affect their sleep patterns. Additionally, at around 4 months, your baby's sleep patterns begin to change from newborn sleep to more adult-like sleep patterns. This means they will spend more time in lighter sleep and less time in deeper sleep, which can lead to more frequent awakenings.




How long does the 4-month sleep regression last?

The 4-month sleep regression typically lasts anywhere from 2-6 weeks, with most babies returning to their normal sleep patterns after that time. However, every baby is different, and it's possible that your baby may experience some ongoing sleep disruption.

What can you do to help your baby through the 4-month sleep regression?

While the 4-month sleep regression can be frustrating, there are things you can do to help your baby through it:

  1. Stick to a consistent bedtime routine. A consistent bedtime routine can help signal to your baby that it's time to sleep. Try to do the same things in the same order every night, such as a bath, a book, and a lullaby.

  2. Create a sleep-conducive environment. Make sure your baby's sleep environment is comfortable, cool, and quiet. Use white noise to help drown out any outside noise that might wake your baby up.

  3. Be patient and flexible. During the 4-month sleep regression, your baby's sleep patterns may be unpredictable. Try to be patient and flexible, and don't be too hard on yourself if you can't follow your usual routines.

  4. Consider sleep training. If your baby is having a really hard time with the 4-month sleep regression, you may want to consider sleep training. This can help your baby learn how to fall asleep independently and stay asleep for longer periods of time.

  5. Check for other issues. Sometimes, sleep regression can be a sign of other issues, such as an ear infection or teething pain. If your baby is showing signs of discomfort or illness, it's important to talk to your pediatrician.

Remember, the 4-month sleep regression is a normal part of your baby's development, and it will pass. With patience and some good sleep habits, you and your baby can get through this challenging time together. If you're feeling overwhelmed or unsure, don't hesitate to reach out to other parents, support groups, or a pediatric sleep specialist for help.


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