Sleep Articles
Expert articles on Sleep.
Understanding Active Sleep and Why Your Baby Grunts While Sleeping
Newborns spend about half their sleep time in active (REM) sleep — grunting, twitching, and grimacing. Here's why this is completely normal.
HeyBaby Editorial
2 min read
Why the 4 Month Sleep Regression Is a Permanent Brain Change
The 4 month sleep regression is not a phase that passes and goes back to normal. It is a permanent change in how your baby's brain processes sleep - and once you understand why, it becomes much easier to handle.
HeyBaby Editorial
7 min read