Sleep Science
Blue Light & Screen Time: What Research Says About Screens and Sleep
Discover how blue light from screens suppresses melatonin and disrupts sleep. Evidence-based strategies to protect your sleep in a digital world.
Read articleSleep Research
Peer-reviewed sleep science distilled into actionable articles. Every claim is backed by legitimate research.
Sleep Science
Circadian Rhythm Science: How Your Internal Clock Controls Sleep
Explore the science of circadian rhythms, the suprachiasmatic nucleus, melatonin, chronotypes, and how light exposure drives your sleep-wake cycle.
Read article Lifestyle
Exercise & Sleep: Optimal Timing and Types of Physical Activity for Better Rest
Discover how exercise improves sleep quality, the best workout timing, and which types of physical activity are most effective for deeper rest.
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The Science of Napping: When Naps Help vs. Hurt Your Sleep
Discover the science behind napping, ideal nap duration and timing, the NASA nap study, and when naps can backfire. Evidence-based napping strategies.
Read article Supplements
Natural Sleep Supplements: Melatonin, Magnesium, L-Theanine & More (Evidence Review)
An evidence-based review of natural sleep supplements including melatonin, magnesium, L-theanine, valerian, glycine, and GABA with dosage guidance.
Read article Lifestyle
Nutrition & Sleep: Foods and Timing That Affect Sleep Quality
Learn which foods improve sleep quality, how caffeine and alcohol disrupt rest, and what meal timing strategies science supports for better sleep.
Read article Sleep Hygiene
Sleep Environment Optimization: Temperature, Light, Noise, and Bedding Science
Learn the science behind optimizing your bedroom for sleep: ideal temperature, darkness, noise control, mattress selection, and air quality.
Read article Sleep Disorders
Sleep Disorders Overview: Insomnia, Sleep Apnea, Restless Legs & When to Seek Help
Learn about the most common sleep disorders, their symptoms, treatments, and when to consult a doctor. Research-backed guide to insomnia, sleep apnea, and more.
Read article Sleep Hygiene
Sleep Hygiene Fundamentals: Evidence-Based Habits for Better Sleep
Learn proven, research-backed sleep hygiene habits that improve sleep quality. Covers schedules, bedroom setup, routines, caffeine, and screens.
Read article Sleep & Health
Sleep & Mental Health: The Bidirectional Relationship with Anxiety and Depression
Research reveals sleep and mental health share a two-way relationship. Learn how poor sleep fuels anxiety and depression, and what science-backed interventions help.
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Sleep Stages & Architecture: Understanding NREM, REM, and Sleep Cycles
A research-backed guide to NREM stages N1, N2, N3, REM sleep, 90-minute cycles, and how sleep architecture changes across your lifespan.
Read article Technology
Sleep Tracking Technology: What Science Says About Consumer Sleep Tech
How accurate are consumer sleep trackers? Learn what science says about wearables, sleep apps, and what metrics actually matter for sleep health.
Read articleGet Your Free Sleep Guide
Download "The Optimal Sleep Guide" — a research-backed PDF with the best strategies for improving your sleep quality.
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