4 month old sleep Archives

4 Reasons Your 4 Month Old Is Not Sleeping at Night or Napping

Last updated: February 13, 2026 by Nicole Johnson, B.A., M.B.A., Lead Pediatric Sleep Consultant

4 month old babies sometimes suddenly stop sleeping at night and napping during the day. This can be concerning and most parents want to understand why. In today’s article, I share the 4 most common reasons your 4 month old is not sleeping at night or napping during the day. This is based on my …

Ultimate Guide to Your 4 Month Old Baby: Milestones, Growth, Sleep, Development, Poop, and More!

Last updated: November 21, 2025 by Nicole Johnson, B.A., M.B.A., Lead Pediatric Sleep Consultant

The Ultimate Guide to Your 4 Month Old Baby will teach you about developmental milestones, sleep, sample schedules, poop, and more!

Sleep Regression, Phase, or Habit – Which Is Causing Your Baby’s Sleep Problems?

Last updated: December 19, 2023 by Nicole Johnson, B.A., M.B.A., Lead Pediatric Sleep Consultant

Sleep Regression, Sleep Phase, or Sleep Habit?

Sleep regression, phase, or habit: which is causing your baby’s sleep problems? We explain sleep regressions vs. sleep phases vs. sleep habits w/ tips!

4 Month Old Sleep Schedule With Feedings: For Breastfeeding and Formula-Feeding Babies

Last updated: June 2, 2026 by Nicole Johnson, B.A., M.B.A., Lead Pediatric Sleep Consultant

4 month old sleep and feeding schedules: Whether breastfeeding or formula-feeding, 4 month olds need an average of 14 hours of sleep. Learn how to get it!

4 Month Sleep Regression Explained: Causes, Timeline, & Survival Tips

Last updated: December 10, 2025 by Nicole Johnson, B.A., M.B.A., Lead Pediatric Sleep Consultant

What is the 4 Month Sleep Regression Explained

The 4-month sleep regression marks a permanent change to a baby’s sleep patterns. Learn why the 4-month sleep regression happens.

FREE Guide: Five Ways To Help Your Child Sleep Through the Night