
4 Month Sleep Regression: Signs, Causes & Fixes
Your baby was sleeping well — now they're up every 2 hours. Here's what's really happening during the 4 month sleep regression and evidence-based strategies to get through it.
Complete guides to gentle sleep training methods, nap transitions, sleep regressions, and teaching your baby to sleep independently. Expert-reviewed.
4 articles

Your baby was sleeping well — now they're up every 2 hours. Here's what's really happening during the 4 month sleep regression and evidence-based strategies to get through it.

When will your baby sleep through the night — and how can you help them get there? A science-backed, age-appropriate guide for every stage.

Want to help your baby sleep independently without cry-it-out? Here are 5 evidence-based gentle sleep training methods, when to start, and how to choose the right one.

Surviving the 8, 12, and 18 month sleep regressions requires understanding what's driving them. Here's your complete guide to each stage — signs, duration, and strategies that actually work.