Sleep science blog
Evidence-based guides to better rest
March 10, 2026 · 5 min read
The Perfect Power Nap: How Long to Nap Without Feeling Worse
Master the science of power napping — optimal duration, timing, and the caffeine nap trick to boost afternoon energy.
February 20, 2026 · 5 min read
How Many Hours of Sleep Do You Actually Need? (Science-Backed)
Forget the 8-hour myth. Learn how many hours of sleep you really need based on age, genetics, and sleep quality.
February 1, 2026 · 5 min read
The Best Time to Wake Up Based on Sleep Science
Science-backed guide to finding your ideal wake-up time using 90-minute sleep cycles and circadian rhythm research.
January 15, 2026 · 5 min read
Why You Wake Up Tired Even After 8 Hours of Sleep
Discover why 8 hours isn't enough and how sleep cycles and sleep inertia cause morning grogginess — plus how to fix it.