Le Laboratoire du Sommeil

Can Baby Sleep With a Fan On? (What Most Parents Get Wrong)

Can you leave a fan on all night for your baby? Here’s what parents should know.

Baby Hates Sleep Sack? (What to Do Tonight Without a Meltdown)

What to do when your baby suddenly hates their sleep sack—real solutions that actually work.

What Should Baby Wear to Sleep Tonight? (Simple Temperature Guide)

A simple, real-life guide to help you decide what your baby should wear to sleep tonight.

Signs Your Baby Is Overheating at Night (And How to Fix It Fast)

Overheating is one of the most common causes of night waking. Here’s how to spot it and fix it.

Why Does My Baby Sleep Worse in a Sleep Sack? (And How to Fix It)

If your baby sleeps worse in a sleep sack, you’re not alone. Here’s what might be going wrong—and how to fix it.