Health ❯ Sleep

Sleep Duration

Sleep Quality Biological Aging Age Groups Life Expectancy Sleep Research Health Implications Guidelines Oversleeping Mental Health Long Sleep Sleep Habits Sleep Studies Daily Activity Brain Health Blood Sugar Control Cultural Differences Impact on Health Optimal Sleep Recommended Hours Short Sleep Duration Physical Health Sleep Deprivation Sleep Diary Health Outcomes Optimal Sleep Duration Adolescent Sleep Metabolic Health Sleep Consistency Mortality Risk Weekday Sleep Effects of Sleep Age-related Sleep Needs Sleep Recovery High Blood Pressure Health Risks Research Studies Exercise Timing Health Recommendations Aging Effects of Sleep Deprivation Optimal Sleep Hours Cultural Factors Exercise Impact Insulin Resistance

Study Finds About 6.4–7.8 Hours of Sleep Linked to Slowest Organ Aging

Machine‑learning organ “aging clocks” found the clearest association with slower biological aging in that sleep range; the authors say the result does not prove sleep causes slower aging.

Irregular Bedtimes Linked to Double Heart Risk for Short Sleepers, Study Finds

New Data Show Most U.S. Teens Fall Short on Sleep as Very-Short Nights Rise

Study Finds 7 Hours 18 Minutes of Nightly Sleep Linked to Healthier Insulin Marker

Small Daily Tweaks to Sleep, Exercise and Diet Tied to Longer Life in Lancet Analyses

New Studies Tie Minutes More Sleep, Activity and Vegetables to Longer Life

Insufficient Sleep Ranks Just Behind Smoking in Predicting Shorter U.S. Lifespans

Short Sleep Linked to Lower U.S. Life Expectancy in County-Level Study