Le Laboratoire du Sommeil

When Should Babies Stop Using a Sleep Sack?

Many parents wonder when it's time to stop using a sleep sack. Here's how to know whether your child is ready for the transition.

Signs Baby Is Too Hot in a Sleep Sack

Not sure if your baby's sleep sack is too warm? Here are the common signs of overheating and simple ways to improve sleep comfort.

Is My Baby Too Hot at Night?

Many parents worry about overheating during sleep. Here's how to tell if your baby is too hot at night and what you can do to keep them comfortable.

Baby Rolling in a Sleep Sack: Is It Safe?

Many parents worry when their baby starts rolling in a sleep sack. Here's what sleep experts and safety guidelines suggest.

Baby Rolling in a Sleep Sack: Is It Safe or Not?

Worried about your baby rolling in a sleep sack? Here’s what’s safe—and what actually matters.