Circadian rhythm

A sleepless person sits upright in bed with hands gently pressed to their temples, eyes tired and face drawn with exhaustion. Soft cartoon sheep float across a deep blue night sky scattered with tiny stars, suggesting the familiar struggle of counting sheep that offers no relief. The scene conveys the quiet frustration and emotional weight of insomnia, capturing the intimate moment when the mind refuses to rest even as the world around grows still.

The Night Shift of Aging: Why Sleep Changes As We Get Older

How insomnia and sleep apnea shape aging, summarizing new evidence on mortality, cognition, frailty, and treatments that can bend the curve.

November 17, 2025

Biotechnology·Diet·Health·Lifestyle·Science

A contemplative older woman sits at her desk, laptop open, glasses in hand, as an hourglass steadily drains on the table before her—a quiet metaphor for time, aging, and the rhythms that govern life.

Chronotherapy, aging, and the body’s master timetable

Chronotherapy for healthy aging: how timing sleep, light, meals, and meds can help—what’s proven, what’s hype—using current human evidence.

October 14, 2025

Health·Lifestyle·Science·Technology

A young woman staring at her phone in the dark while laying on her side in bed. A harsh blue light is emitting from her phone, while a softer blue light is being emitted on the back wall behind her bed.

Blue light, sleep, and aging: what the strongest science actually says

Blue light shapes sleep and aging biology. Get bright days, dim evenings, and dark nights to protect melatonin, metabolism, and long term health.

August 19, 2025

Health·Lifestyle·Science

Medical tools and symbols representing Seasonal Affective Disorder (SAD) therapy. The word 'SAD' is spelled in wooden letters on a blue background, surrounded by a stethoscope, a model brain, a reflex hammer, and a strip of white pills. A mental health assessment form partially visible highlights clinical aspects of SAD diagnosis and treatment.

Seasonal Affective Disorder (SAD): New Insights on Aging

As days darken, Seasonal Affective Disorder (SAD) impacts mood and mimics aging effects. Combining light therapy, nutrition, and exercise can brighten winter months and

November 12, 2024

Diet·Health·Lifestyle·Science

The Night Shift of Aging: Why Sleep Changes As We Get Older

Chronotherapy, aging, and the body’s master timetable

Blue light, sleep, and aging: what the strongest science actually says

Seasonal Affective Disorder (SAD): New Insights on Aging

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