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4-Month-Old Sleep Schedule | Wake Windows, Naps & Bedtime Guide

May 25, 2026

Cynthia Unuigbe, MD

MD, Subject Matter Expert  Postnatal Sleep Health

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4-month-old sleep

4-Month-Old Sleep Schedule: Wake Windows, Naps & Bedtime Guide

Around four months, many babies begin experiencing major developmental and sleep changes. Wake windows gradually increase, naps become more structured, and some babies experience the well-known 4-month sleep regression.

While this stage can feel overwhelming for parents, healthy sleep habits and consistent routines can help support more predictable sleep patterns.

In this physician-led guide, we'll cover:

• How much sleep a 4-month-old needs
• Recommended wake windows
• Sample schedules
• Bedtime routines
• The 4-month sleep regression
• Frequently asked questions

Sleep patterns continue evolving throughout infancy. Explore our 3-Month-Old Sleep Schedule to understand the stage leading into this transition.

How much should a 4-month-old sleep?

Your baby's sleep needs are evolving at four months old, but they typically require around 14-16 hours of sleep per day, including daytime naps and nighttime sleep. However, it's essential to remember that every baby is unique, and individual sleep requirements can vary. Some babies may need slightly more or less sleep than the average.

Sample 4-Month-Old Sleep Schedule

This depends on the baby! we recommend a consistent sleep schedule which is as seen in our 3-months old baby sleep schedule thats helps regulate your baby's circadian rhythm and promotes better sleep habits. Babies who have not learned positive sleep habits from inception may develop a more predictable sleep pattern at four months. They observe three to four naps during the day and more extended stretches of nighttime sleep with training. Aim for a consistent bedtime routine that eases your baby into winding down, such as a warm bath, gentle massage, or soothing lullabies. Encourage daytime naps in a quiet, dark environment to facilitate restful sleep.

Can You Sleep Train a 4-Month-Old?

Yes, you can. While some parents opt to sleep-train their babies around four months of age, it's essential to approach this decision with caution and consideration for your baby's individual needs. Many babies are still developing their sleep patterns at this stage. The choice to sleep train and its effectiveness depend on the caregiver’s patience and implementation strategies. Some parents frown at sleep training techniques such as "Cry it Out.", if you are in that category, we suggest you explore gentle methods to encourage self-soothing, such as establishing consistent bedtime routines and responding to your baby's cues with patience and reassurance.

Understanding the 4-Month Sleep Regression

The four-month sleep regression is an expected milestone many babies experience around this age. During this period, your baby's sleep patterns may become disrupted, with more frequent night waking and shorter naps. This regression often coincides with significant developmental milestones, such as increased awareness of their surroundings and improved motor skills. While the 4-month sleep regression can be challenging for parents and babies, it's typically temporary and resolves independently within days. Consistency is critical in achieving a baby sleep schedule that works for your family post -regression. If you are having trouble navigating this phase, consider working with a pediatric sleep consultant, as this will be an investment that every dime. Struggling with sleep deprivation or disrupted routines? Explore our Baby Sleep Reset Program.

4-month-old sleep tips:

  • Consistent bedtime routine
  • Encourage daytime naps in a quiet, dark environment to promote restful sleep.
  • Respond promptly and with reassurance to your baby's cues, helping them feel secure and comforted.
  • Consider using white noise or gentle music to create a soothing sleep environment.
  • Avoid overstimulation before bedtime by limiting screen time and engaging in calming activities.

Sample Schedule of 4-month-old sleep schedule

Below is a template of what a 4-month-old sleep schedule should look like. However, this is just a sample, open for modification based on your newborn’s awake time or wake window, feeding interval, and nap duration.                                               4 Month Old Sample Sleep Schedule
EVENTS TIME
Wake up time 7:00am (1 hour 30 min wake window before first nap)
First morning nap 8:30 am -9:30 am (1 hour nap) 2-hour, awake time before 2nd nap
Second nap 11:30 am  – 1:30 pm (2 hours nap) 1.5 hours wake window before 3rd nap
Third nap 3:00 pm – 4:10  pm (I hour, 10 min  nap) 1-hour awake time before 4th nap
Fourth nap 5:10 pm - 6:00 pm ( 50 min nap) 60 min wake window to bedtime
Feed 6:00 pm – 6: 30pm
Bath, massage, relaxing bedtime music, bedtime stories in the sleep space/dark room 6:30 pm – 7:00 pm
Bedtime 7:00 pm

Need more structured guidance? Explore our Baby Sleep Strategies Class for practical routines and sleep support.

Common Sleep Challenges at 4 Months

  • Night waking: Many 4-month-olds experience more frequent night waking as they navigate developmental changes and growth spurts. Respond to your baby's needs with patience and comfort, but avoid creating sleep associations that may lead to sleep problems in the future.
 
  • Short naps: Some babies struggle to nap for extended periods during the day. Establishing a consistent nap routine and a conducive sleep environment can help encourage longer naps over time.
 
  • Sleep associations: Be mindful of creating negative sleep associations that rely on external props, such as rocking or nursing, as these can become problematic when your baby learns to self-soothe. Encourage independent sleep skills from an early age to foster healthy sleep habits.

Frequently Asked Questions About a 4-Month-Old Sleep Schedule

Q: How much should a 4-month-old sleep?

A: A 4-month-old baby typically sleeps approximately 14–16 hours within a 24-hour period, including daytime naps and nighttime sleep. While every baby develops differently, many babies at this stage begin showing more predictable sleep patterns and longer nighttime sleep stretches.

Q: How many naps should a 4-month-old take?

A: Most 4-month-old babies take approximately 3–4 naps each day. Some babies may still require four naps, while others gradually begin transitioning toward three naps as wake windows increase.

Q: What are wake windows for a 4-month-old?

A: Wake windows for a 4-month-old are generally 1.5–2.5 hours, depending on your baby's individual sleep needs and the time of day. Morning wake windows are often shorter, while later wake windows may gradually increase.

Q: What time should a 4-month-old go to bed?

A: Many 4-month-old babies tolerate a bedtime between approximately 6:30–8:00 PM, although the ideal bedtime varies according to wake windows, nap quality, feeding patterns, and your baby's sleep cues.

Q: What is the 4-month sleep regression?

A: The 4-month sleep regression is a common developmental stage during which babies experience changes in their sleep cycles. Parents may notice more frequent night wakings, shorter naps, and difficulty settling to sleep. While challenging, this phase is usually temporary.

Q: Why is my 4-month-old waking every hour?

A: Frequent night waking at four months may occur because of developmental changes, sleep regression, growth spurts, overtiredness, feeding patterns, or sleep associations. Maintaining consistent sleep routines and healthy sleep habits can help support smoother sleep patterns.

Q: Can you sleep train a 4-month-old?

A: Some families choose to begin introducing structured sleep practices around four months. Approaches vary depending on parenting style and a baby's developmental readiness. Gentle methods that encourage healthy sleep habits and self-soothing skills can often support more predictable sleep patterns over time.

Q: Why does my 4-month-old take short naps?

A: Short naps may occur because babies are learning to transition between sleep cycles, experiencing developmental changes, becoming overtired, or adjusting to changing wake windows. Consistent nap routines and a sleep-friendly environment may help improve daytime sleep.

Families needing personalized guidance can explore Baby Sleep Telehealth Navigation™ for physician-led support.

Conclusion

Mastering nap time and building an adequate sleep schedule for your 4-month-old is a journey that requires patience, consistency, and a deep understanding of your baby's unique needs. By implementing the strategies outlined in this guide and remaining responsive to your baby's cues, you can create a nurturing sleep environment that supports healthy sleep habits and promotes restful nights for the whole family.   Remember, every baby is different, so adopt the baby sleep schedule to suit your baby's individual sleep preferences and developmental stage. With time and persistence, you'll find a rhythm that works for both you and your little one, paving the way for peaceful nights and rejuvenating naps. At Sleep & Cradle®, we understand that every baby is unique. It's essential to adapt the suggested tips and sample schedule to suit your little one's sleep schedule. With time, patience, and consistency, you can help your 4-month-old develop healthy sleep habits and enjoy restful nights. As your baby continues growing, sleep needs gradually evolve. Explore our Baby Care Basics Class for practical routines and physician-led sleep guidance.

Cynthia Unuigbe, MD

MD, Subject Matter Expert  Postnatal Sleep Health

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