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The Sleep Journal

Sleep Better, Informed.

Sleep science, honest buying guides, and practical tips for getting more from the bed you already own.

Cooling comfort layer of the Havenap topper
Sleep Science

Why You Wake Up Hot (and What Actually Fixes It)

Heat buildup is the most common reason for restless sleep. Here is what causes it — and why the fix usually is not a new mattress.

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Buying Guides

Mattress Topper vs. New Mattress: The Honest Comparison

Before you spend thousands replacing your mattress, run through this checklist. Most beds need an upgrade, not a replacement.

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Couples

Sharing a Bed With Different Firmness Preferences

One likes soft, one likes firm. Split firmness lets both sleepers win — here is how it works.

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