Tag

Sleep quality

Page 4 of 13

A person asleep in bed behind a black alarm clock.

How much sleep do adults need? What the research and guidelines say

Sep 29, 2026

A young woman asleep under a white blanket with her head on a white pillow.

Sound pulses timed to deep sleep improved memory in a 20-person study

Sep 29, 2026

A person sitting up in bed at night in pajamas, head resting in their hands.

Night sweats, more than hot flashes, went with poor sleep and low energy in 841 midlife women

Sep 26, 2026

An unmade bed beside a large window looking out on lit city buildings

Light at night went with a thicker, stiffer heart, in 11,071 UK Biobank adults with heart scans

Sep 23, 2026