Tag

body

3 posts.

A dark, softly graded field of deep blue with a warm glow at one edge, like a room just before sunrise.

sleep

The sound machine hums all night. Your REM sleep, quietly, does not.

A 2026 polysomnography trial from Penn Medicine watched 25 adults sleep under pink noise, traffic noise, and earplugs. The sound machine that's supposed to help you rest may quietly cost about 19 minutes of REM.

Sep 10, 20267 min

A lone runner's silhouette on a wet road at dusk, the sky still glowing after the sun has gone down — a body still coming down from the day.

sleep

The body keeps running after the run is over

A 2025 study of 4 million person-nights found exactly how late an evening workout can run before it costs you the night. The buffer is gentler than you'd think.

Jun 11, 20265 min

Soft evening light through a window onto a still, quiet room — the colour of a body coming down from the day.

sleep

The body falls asleep by cooling down, not by lying still

A warm shower 60–120 minutes before bed shortens sleep onset by about a third — not because it relaxes you, but because it tells your body it's safe to dump heat.

May 14, 20266 min