The 8-Hour Sleep Myth: Why Some People Thrive on Less — and How to Find Your Perfect Sleep Number

person waking up refreshed in natural morning light, representing finding personal optimal sleep duration

  Reviewed By: HealthFitnessBloom Editorial Review Team   Last Updated: September 2026   Research Transparency: All studies are independently verified through PubMed, NIH, American Academy of Sleep Medicine, and peer-reviewed sleep science and chronobiology databases.   Editorial Standards: Content reviewed against current scientific evidence. Claims cross-checked with PubMed, NIH, WHO, and primary journal sources. No […]