4 Month Sleep Regression: The Ultimate Guide to This Exhausting Stage (Based on My 10+ Years as a Baby Sleep Consultant)
The 4 month sleep regression is a time around 3 to 4 months old when your baby’s sleep patterns change and your baby needs to go through sleep cycles — light sleep to deep sleep and back again. As a result, your baby will likely wake frequently at night and take short naps. Sleep regressions …
