The Slumber Lab

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.

How Many Sleep Sacks Do I Need?

New parents often ask how many sleep sacks they should buy. The answer depends on your baby's age, laundry routine, and climate.

Why Does My Toddler Sleep Better Without a Sleep Sack?

If your toddler suddenly sleeps better without a sleep sack, there may be several reasons behind the change.

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 Hates Sleep Sack? Here's What To Do

If your baby cries, kicks, or resists a sleep sack, you're not alone. Here are practical solutions that help many families.