The Cocoo Blog
Step-by-step guides and real talk from a first-time mom — the sleep science behind what actually works.
Sleep Science · Root Cause Guide
Short naps ending at 30–45 minutes almost always come down to one of four diagnosable causes: a wake window that's off, a sleep association, overtiredness, or an environmental trigger. Here's how to tell them apart — and which fix is yours.
Sleep Science · Root Cause Guide
Between 4–6am, babies enter their lightest sleep phase. Any unmet need becomes impossible to sleep through. This guide covers the 4 root causes of 4am waking and how to diagnose which one is affecting your baby.
Sleep Science · Data Study
When a baby fights sleep despite being exhausted, it almost always means they've passed their sleep window. We analyzed 751 babies to understand how sleep onset time relates to night quality — and what to do about it.
Sleep Science · Quick Guide
Your baby's brain just shifted to adult-like sleep cycles — that's why they're up every hour. Here's what's happening and 5 specific things you can try tonight.
Guide · Sleep Habits
Your baby can learn to fall asleep without being held — and you don't need cry-it-out to get there. A gentle 3-step method: put down drowsy in the right window, pat and shush, then gradually do less.
First-Time Mom Series · Part 1
No matter how tired they are, newborns can't self-settle — their nervous system isn't built for it yet. Here's what actually helps, from a mom who learned it the hard way.
More posts are coming.
Nursing to sleep, short naps, contact napping, wake windows, the 4-month regression — more guides and posts are on the way.
Try Cocoo while you wait