The Slumber Lab

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

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 TOG0.5 TOG vs 1.0 TOG: The 2026 Cooling Sleep Sack Guide for US Heatwaves

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...

0.5 TOG0.5 TOG vs. 1.0 TOG: The Summer Sleep Sack Guide (Why Filling Weight Matters More Than GSM)

0.5 TOG vs. 1.0 TOG: The Summer Sleep Sack Guide (Why Filling Weight Matters More Than GSM)

Stop the summer sleep struggle. Learn why filling weight is the secret to a cool nursery and how to choose between 0.5 TOG and 1.0 TOG for your baby’s safety this summer.

1.0 TOGThe 72°F Nursery Guide: Why 60g Active Fiber is the Secret to Uninterrupted Sleep

The 72°F Nursery Guide: Why 60g Active Fiber is the Secret to Uninterrupted Sleep

Every degree matters. Learn the science of the "72°F micro-climate" and why 60g of active fiber is the only way to protect your baby's 8-hour sleep window. 🌿🐼