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Give the Gift of Perfect Sleep. Powered by Science.

It’s bedding that keeps you warm but also cool, which sounds like magic but is just science.

How It Works

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The Only NASA Bedding

Our bedding utilizes Outlast®, the world’s only textile technology to have received the Certified Space Technology™ quality mark by the renowned Space Foundation.

Reduces Sweat By 50%

Our bedding provides proactive heat and moisture management, clinically proven to reduce night sweats by up to 50%.[br]*Outlast Humidity Sleep Study

Improves Deep Sleep By 20%

Our bedding adapts to the ideal temperature of both hot and cold sleepers, proven to decrease tossing & turning and increase sleep efficiency by 20%. *Outlast Heat Sleep Study

Free US Ground Shipping

All U.S. orders are shipped right to your door, free of charge. Orders are typically shipped within 24 business hours from our warehouse in Denver, Colorado

Extended Holiday Returns & Trial Period

Sleep on it, wash it, and really put it to the test until February 28th, 2026! If you don’t love your new bedding, just return it for a full refund. No questions asked!

Sale Price Match Guarantee

Buy any Slumber Cloud item now. If it goes on a deeper sale within the next 60 days, just let us know and we'll refund the difference.

Build Your Dream-Worthy Bed

We've got everything you need to make a bed you can't wait to tuck into.

Every layer utilizes Outlast®, the world’s only textile temperature regulation technology to have received the Certified Space Technology™ quality mark by the renowned Space Foundation.

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Free Shipping & Free Returns60 Night Risk Free TrialDesigned & Shipped from Denver Colorado

Over 30,000 happy sleepers have spoken.

We've helped over 30,000 sleepers unlock their best rest yet. See why customers and the press are calling our products a dream come true. Read all reviews

★ ★ ★ ★ ★

These sheets and duvet cover are so comfy and cozy! They really do keep me cooler at nights too; which I've been fighting with my entire life - I'm an overheater! I already recommended them to my best friend.

— Kristi M.

★ ★ ★ ★ ★

Perfect for California Summer! I love the lightweight and how well it regulates heat, so that we are not hot nor cold. It is perfection. I was hesitant because of the cost but glad that I decided to purchase it

— Esther B.

★ ★ ★ ★ ★

I have bought countless pillows, new bed, different positions, tried couch, bought new couch. Got this ultra cool pillow, so soft, literally feels like sleeping on a nice cool cloud. Slept the full night, first full night in over a year.

— Sagar J.