01/15/2026
Your sweet 4-month-old is growing so fast, and their sleep is changing big time! Around this age, your baby’s sleep starts to mature, cycles shift, and yep… this is when the 4-month sleep regression often kicks in.
But don’t stress, I’ve got you covered with baby sleep tips and guidance to help your little one (and you!) get the rest you need. 💛
Here’s a sample 4-month-old nap schedule with 3 naps and ~2-hour wake windows (every baby is different, but this is a great starting point!):
☀️ 7:00am – Wake up
💤 9:00–11:00am – Nap #1
💤 1:00–2:30pm – Nap #2
💤 4:30–5:00pm – Nap #3
🌙 7:00pm – Bedtime
✨ What’s happening with baby sleep at 4 months?
Your baby’s sleep cycles start to look more like an adult’s, cycling through light sleep and deep sleep. This is a major developmental milestone that can cause short naps, frequent night wakings, and a sudden shift in their sleep patterns.
✨ How to support your baby’s sleep during the 4-month sleep regression:
• Stick to a consistent nap routine and bedtime schedule to strengthen their internal clock.
• Get morning sunlight exposure, it helps reset their circadian rhythm and supports better naps.
• Offer full daytime feeds to encourage longer nighttime sleep stretches (total sleep often falls in the 12–16 hour range).
• Stay calm and consistent, this is a perfect time to begin laying the groundwork for independent sleep skills using a gentle, supportive approach.
💤 If your baby’s sleep has started to feel off track, comment COMPLETE and I’ll send you details about my Complete Gentle Sleep Guide, an in-depth, age-by-age guide designed to support sleep from 4 months through childhood with realistic, research-backed strategies (no pressure, no rigid methods).
💛 And don’t forget to follow for more baby sleep help, 4-month sleep regression support, infant schedules, and gentle sleep guidance from a pediatric sleep consultant and mama of three.
You’re doing great, Mama. 💛
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