Navigating the 4-Month Sleep "Regression": Understanding Your Baby's Sleep Cycle

Dad holding baby

I’m here to debunk this myth: your baby didn't suddenly forget how to sleep at 4 months. In fact, this "regression" is actually a PROgression in their sleep cycle, and it can start as early as 3 months!

Around 3-4 months, your baby goes through a permanent change in their sleep cycle, which means their sleep needs also change. Here's what's happening and how you can navigate it:

Understanding the Transition

Your baby is transitioning through 5 different sleep stages, which aren't consistent throughout the night. They're becoming more aware of their sleep environment and routines, which means they might be sensitive to things like light, noise, temperature, and what helps them to fall asleep. This heightened awareness can lead to more frequent awakenings during the night.

Adjusting Awake Times

Your little one may need more awake time during the day to build up their sleep drive for better nighttime sleep. This can mean shorter awake periods between naps and an earlier bedtime to prevent overtiredness.

Shifting Bedtime and Wake-Up Times

Get ready for bedtime and morning to shift earlier—say goodbye to those late-night parties and hello to a new wake-up routine between 6-7 am! Establishing a consistent wake-up time helps regulate your baby's internal clock and sets the tone for the day.

Tips for Smooth Transition

- Tune into their sleepy cues and respond promptly to their cues for sleep.

- Be mindful of awake times and aim for age-appropriate naps throughout the day.

- Focus on daytime nutrition with effective and frequent feedings to support healthy growth and development.

- Optimize your baby’s sleep environment with elements like black-out curtains, white noise machines, and swaddles or sleep sacks for comfort and security.

- Develop a solid bedtime routine to signal to your baby that it's time to wind down and prepare for sleep.

Have questions about your baby's sleep or need personalized guidance? Let’s chat HERE. My goal when working with families on sleep is to empower you with the knowledge and tools to craft sleep routines that fit your unique family dynamic, ensuring your entire family gets the rest they need.

Here's to peaceful nights and well-rested families!



About the Author:

I’m Ashli Daley, a Registered Nurse and the proud owner of The Mama Coach Becoming a Mama Coach felt like the most natural next step for me. Through my practice, I aim to provide unwavering support and encouragement to families embarking on their parenting adventure, especially during that precious fourth trimester. My focus is on ensuring families feel well-informed, valued, and empowered with the tools and knowledge they need to thrive during this transitional period.

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