3-4 Month Sleep Regression

Sleep regressions refer to changes that are happening to your baby's sleep cycles.
The first big sleep regression that babies go through is right around the 3-4 month mark. The 3-4 month sleep regression happens because your baby is developing a circadian rhythm and is transitioning from newborn sleep habits, to more regular sleep habits. Instead of sleeping most of the day, you'll notice that their wake windows are getting longer during the day and they are sleeping more at night.
When your baby's sleep cycles are evolving you might notice some changes or disruptions to their routines. This is normal and I promise it is temporary. Here are some signs that your baby might be going through the 3-4 month sleep regression, and how to survive it!
Common signs include:
- Frequent night wakings
- Resistance to naps
- Fussiness
- A change in appetite
These are all very common changes that your baby might be experiencing and it can be very frustrating to deal with at times. The best way to handle the 3-4 month sleep regression is to begin a routine. Children thrive with routine and this is the perfect age to implement a routine that works for you and your baby!
When beginning sleep routines with your 3-4 month old baby, a great place to start is a schedule. I personally love to use wake windows with my clients, and I have a whole other post on my blog discussing wake times. There you will find helpful information for starting a wake time schedule, as well as a chart to ensure you are using age-appropriate wake times. This way we can ensure your baby is achieving enough sleep and set them up for success during this sleep regression.
The other thing that is important, is to begin a bedtime routine. When choosing a bedtime routine, you'll want to make sure it's something that works for you, is done consistently, and helps cue your baby for sleep. Using white noise and making sure your baby is sleeping in a dark room can also be really helpful when encouraging sleep during the 3-4 month sleep regression.
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