Sleep Duration

2 articles

A person struggling to sleep in bed, with visual cues suggesting accelerated biological aging and the passage of time.

How Suboptimal Sleep Accelerates Biological Aging

New research reveals that both sleeping less than 6 hours and more than 8 hours per night can accelerate biological aging across 17 organs, fundamentally changing how we understand 'good' sleep.

Chloe Bennett·June 22, 2026

A split image contrasting peaceful sleep with vibrant morning activity, illustrating the impact of circadian rhythms on health and well-being.

Healthy Living

How Your Circadian Rhythms and Body Clock Impact Sleep and Health

Sleep duration exhibits nonlinear U-shaped relationships with 9 out of 23 biological ageing clocks across 17 organs and 3 omics types, according to Nature .

Chloe Bennett·June 7, 2026