Data-Driven Sleep Solutions: Research That Helps You Sleep Better
Slumber Theory helps you design a cooler, quieter sleep space — with trusted reviews and curated product guides.
Why We Exist
We believe better sleep starts with better sleep systems — not just a mattress. Our mission is to cut through the noise with clear reviews, side-by-side comparisons, and real-world recommendations.
12 Reasons for Waking Up Drenched in Sweat: Medical Causes
Waking up drenched in sweat can turn a peaceful night into a frustrating experience. If you’re asking yourself “why do I wake up sweating every night,” you’re not alone. Night sweats affect millions of people and can stem from various medical conditions, hormonal changes, or medication side effects. Understanding the reasons for waking up drenched…
Sleep Deprivation Costs 2025: $411 Billion Annual Cost Breakdown
Sleep deprivation costs add up to $280-$411 billion annually from the U.S. economy—more than most nations’ entire GDP. You’re paying this hidden tax through higher healthcare costs, reduced wages, dangerous accidents, and productivity losses that ripple through every corner of American business. Key Findings Below you’ll find the verified financial data that reveals just how…
How Light Exposure Affects Sleep Quality: Data Report 2025
New research reveals the precise timing and intensity of light exposure that either helps or harms your sleep. From morning sunlight that advances your circadian clock to blue light that delays sleep onset by hours, our analysis shows exactly when light works for or against you. These data tables eliminate the guesswork around optimal light…
Cool Systems for Hot Sleepers
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Mattress Pad Comparisons
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ChiliPad vs Dock Pro
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I created Slumber Theory to fix my own sleep struggles — hot nights, noisy bedrooms, and too many bad purchases. This site is built for people who want better sleep with less guessing.
Free: The 7-Hour Sleep Optimization Guide
Includes optimal room temperature, light timing charts, and sleep phase data.
