Tag

Sleep quality

Page 7 of 13

A woman asleep on her side on white pillows with a hand beneath her head

Soft sounds timed to deep-sleep brain waves increased the flow of fluid through the brain

Sep 17, 2026

An older man asleep on his side in a bed beside a window with house plants

Tau protein in the brain may harm memory partly by breaking up the slow waves of deep sleep

Sep 17, 2026

An older woman asleep on a white pillow

Two kinds of sleep apnea that look alike in heart failure split apart once breathing control was measured

Sep 8, 2026

A young man in a grey sweater riding a stationary bike in a dimly lit gym

Evening cycling protected memory after a short night, and deep sleep carried the effect

Sep 8, 2026