Le Laboratoire du Sommeil

How to Keep Baby Cool at Night Without AC

No AC at home? These simple tips help keep your baby cool, comfortable, and sleeping better—even on hot nights.

Kyte Baby vs Bamboo Sleep Sack (Summer Comparison)

Trying to choose between Kyte Baby and bamboo sleep sacks? Here’s what parents notice—especially during warmer nights.

Why Does My Baby Wake Up Crying at Night?

If your baby wakes up crying at night, it may not just be hunger or sleep regression. Temperature could be the real reason.

Best Sleep Sack for Hot Babies (Stay Cool All Night)

If your baby wakes up sweaty or fussy at night, overheating could be the cause. Learn how to choose the best sleep sack for hot sleepers.

0.5 TOG vs 1.0 TOG: The 2026 Cooling Sleep Sack Guide for US Heatwaves

2026 record heatwaves are here. Is your baby truly safe from overheating? Forget everything you know about GSM. Discover why "Filling Weight" is the secret to a cool nursery and why US moms are swa...