The Slumber Lab

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When Should Babies Stop Using a Sleep Sack?
baby sleep sack age

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 recognize transition signs and choose the best next step.

baby bedtime routineBaby Rolling in a Sleep Sack: Is It Safe?

Baby Rolling in a Sleep Sack: Is It Safe?

When babies start rolling, many parents worry about sleep safety. Here's what you need to know about babies rolling in sleep sacks.

baby room temperatureBaby Sleep During a Heatwave: How to Keep Your Baby Cool at Night

Baby Sleep During a Heatwave: How to Keep Your Baby Cool at Night

Hot weather can make bedtime stressful. Here's how to help your baby stay comfortable and sleep safely during a heatwave.

bedtime routineHow Many Layers Should a Toddler Wear to Sleep?

How Many Layers Should a Toddler Wear to Sleep?

Too many layers can make toddlers uncomfortable, while too few may disrupt sleep. Here's how we approach bedtime clothing.

baby sleep sackHow Many Sleep Sacks Do I Need? A Practical Guide for Parents

How Many Sleep Sacks Do I Need? A Practical Guide for Parents

Most parents need more than one sleep sack. Here's how many sleep sacks are recommended for newborns, babies, and toddlers.

breathable sleepwearWhat Should a Hot Sleeper Toddler Wear to Bed?

What Should a Hot Sleeper Toddler Wear to Bed?

Help your hot sleeper toddler stay comfortable all night. Learn which sleep sacks, fabrics, and routines improve overnight sleep.