Sleep Science Blog
Deep dives into the research behind better sleep. No fluff, just science.
Best Mattress for Back Pain 2026
Medium-firm mattresses consistently outperform firm beds for chronic low-back pain in controlled trials.
Melatonin vs Magnesium for Sleep
Two of the most popular sleep supplements head-to-head. When to use each, and why dose and timing matter more than brand.
How Blue Light Destroys Sleep Quality
Evening blue light suppresses melatonin and delays your circadian clock. But the effect is more nuanced than most articles claim.
The Science of Sleep Cycles
Understanding NREM, REM, and the 90-minute myth. What actually happens during each stage and why it matters.
Best Pillows According to Sleep Research
Pillow loft and fill matter more for neck pain than marketing claims. The research on cervical alignment.
Temperature and Sleep: The Complete Guide
Your body needs to drop 1-2°F to initiate sleep. How room temperature, bedding, and smart mattresses affect sleep.
Sleep Trackers Ranked by Accuracy
Every PSG-validated consumer sleep tracker study. Oura, Apple Watch, Whoop — ranked by clinical accuracy.
Weighted Blankets: What the Research Says
The Karolinska study showed real benefits for insomnia with anxiety. But they aren't for everyone.