
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
Sleep training is a topic full of strong opinions. The articles in this category present the full landscape — gentle methods, behavioral methods, the philosophy of attachment-based approaches, and the realities of sleep deprivation that shape these decisions. We cover what each method actually involves, what the research says (and doesn't say) about long-term effects, when to start, when to wait, and how to choose an approach that fits your family. Reviewed by certified sleep consultants and pediatric sleep specialists, these guides aim to inform — not to push a single ideology. The right method is the one your family can carry out consistently and without harming wellbeing.

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.