Sleep Science

Explores how sleep cycles, stages, and biology affect your body.

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Adenosine, Cortisol, and Melatonin: The Hormones Running Your Sleep
Sleep Science

Adenosine, Cortisol, and Melatonin: The Hormones Running Your Sleep

Three key chemicals orchestrate when you feel sleepy, when you wake, and how deeply you rest. A plain-language breakdown of the science behind each one.

By Sleep Health Editorial Team · Sep 3, 2023 · 6 min read

Latest In Sleep Science

Common Misconceptions About Sleep, Corrected by Research
Sleep Science

Common Misconceptions About Sleep, Corrected by Research

Sleep Health Editorial Team · Sep 25, 2023 · 6 min read
Evening Light Exposure and Sleep Quality: What the Research Shows
Sleep Science

Evening Light Exposure and Sleep Quality: What the Research Shows

Sleep Health Editorial Team · Aug 7, 2026 · 8 min read
Habits That Quietly Undermine Your Sleep Architecture
Sleep Science

Habits That Quietly Undermine Your Sleep Architecture

Sleep Health Editorial Team · Dec 14, 2024 · 6 min read
Napping: When It Supports Recovery and When It Backfires
Sleep Science

Napping: When It Supports Recovery and When It Backfires

Sleep Health Editorial Team · Feb 5, 2026 · 6 min read
REM Sleep vs. Deep Sleep: Two Stages, Very Different Jobs
Sleep Science

REM Sleep vs. Deep Sleep: Two Stages, Very Different Jobs

Sleep Health Editorial Team · Jul 25, 2026 · 6 min read
Short Sleepers and Long Sleepers: What Genetic Research Tells Us
Sleep Science

Short Sleepers and Long Sleepers: What Genetic Research Tells Us

Sleep Health Editorial Team · Dec 27, 2024 · 8 min read
Sleep Across the Lifespan: How Biology Changes From Infancy to Old Age
Sleep Science

Sleep Across the Lifespan: How Biology Changes From Infancy to Old Age

Sleep Health Editorial Team · Jul 28, 2025 · 6 min read
Sleep Science for Beginners: Understanding Rest Without the Jargon
Sleep Science

Sleep Science for Beginners: Understanding Rest Without the Jargon

Sleep Health Editorial Team · Sep 12, 2025 · 8 min read
Sleep Science: A Complete Guide to How Rest Works in the Human Body
Sleep Science

Sleep Science: A Complete Guide to How Rest Works in the Human Body

Sleep Health Editorial Team · Oct 14, 2023 · 8 min read
Sleep Timing vs. Sleep Duration: Which Matters More for Health?
Sleep Science

Sleep Timing vs. Sleep Duration: Which Matters More for Health?

Sleep Health Editorial Team · Jun 5, 2024 · 6 min read
Temperature, Your Body Clock, and the Science of Falling Asleep Faster
Sleep Science

Temperature, Your Body Clock, and the Science of Falling Asleep Faster

Sleep Health Editorial Team · Nov 14, 2025 · 7 min read
The Architecture of a Night's Sleep: Cycles, Stages, and What They Do
Sleep Science

The Architecture of a Night's Sleep: Cycles, Stages, and What They Do

Sleep Health Editorial Team · Jul 12, 2023 · 8 min read
What Happens in Your Brain During Sleep: A Stage-by-Stage Breakdown
Sleep Science

What Happens in Your Brain During Sleep: A Stage-by-Stage Breakdown

Sleep Health Editorial Team · Feb 9, 2026 · 6 min read
What Your Circadian Rhythm Is Actually Doing While You Live Your Life
Sleep Science

What Your Circadian Rhythm Is Actually Doing While You Live Your Life

Sleep Health Editorial Team · May 13, 2024 · 7 min read
Why Sleep Deprivation Hits Harder Than Most People Realize
Sleep Science

Why Sleep Deprivation Hits Harder Than Most People Realize

Sleep Health Editorial Team · Feb 10, 2025 · 7 min read

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