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.
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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.
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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.
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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 article 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.
Read article Sleep Science
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.
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We research and recommend products that align with sleep science. Every recommendation is evidence-informed.