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.
How Sleep Improves Cognitive Function: 2026 Research Data & Statistics
Last Updated: January 2026 Key Finding: Cognitive performance declines 25% after just 17 hours awake, equivalent to a 0.05% blood alcohol level. Consistent 7-8 hour sleep maintains peak cognitive function across attention, decision-making, reaction time, and problem-solving. This page presents research data on the mechanisms by which sleep enhances brain function, with statistics across cognitive…
How Sleep Affects Memory: 2026 Research Data & Statistics
Last Updated: January 2026 Key Finding: A single night of sleep deprivation reduces memory consolidation by 40%, while consistent 7-9 hour sleep improves learning retention by up to 3x compared to sleep-restricted individuals. This page presents research data on the relationship between sleep stages, sleep duration, and memory function. Statistics are compiled from neuroscience studies,…
How Sleep Affects Mental Health: 2026 Statistics & Data
Last Updated: January 2026 Key Finding: Adults sleeping fewer than 6 hours per night are 2.5x more likely to experience frequent mental distress compared to those sleeping 7-9 hours. This page compiles research data on the relationship between sleep duration, sleep quality, and mental health outcomes. All statistics are drawn from peer-reviewed studies and national…
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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.
