how many hours of sleep

Hours of Sleep chart by age showing newborn to senior sleep needs with medical timeline illustration

How Many Hours of Sleep Do You Really Need by Age? [2026 Science-Backed Answer]

Most people get it wrong. Find out exactly how many hours of sleep you need by age — from newborns to seniors — based on 2026 AASM and NIH guidelines.

✓ EDUCATIONAL

Written & edited by: Sameer Patel — Founder & Editor Calculators built on published formulas Educational information — not a substitute for medical advice