Understanding the 4-Month Sleep Regression

The 4-month sleep regression isn't really a regression — it's a permanent shift in how your baby sleeps. Around 3–4 months, sleep cycles mature to include lighter and deeper stages, which means more brief arousals between cycles. Placeholder test content.

Note: The content on this site is for informational purposes only and should not replace medical advice from your doctor, pediatrician, or medical professional. If you have questions or concerns, you should contact a medical professional.