
Pre-Dawn Light: Does Twilight Count
Pre-dawn light beats every bulb in your house, with a discount. Whether twilight counts toward your morning light dose, and the winter stack that fills the gap.
The blog

Pre-dawn light beats every bulb in your house, with a discount. Whether twilight counts toward your morning light dose, and the winter stack that fills the gap.

An e-reader before bed behaves like paper, not like a phone. What e-ink does to your body clock, why the page has no feed, and how to pick one tonight.

Light habits need days, not nights. Morning light pulls your clock earlier, evening light pushes it later, and the ledger settles over two or three weeks.

Yoga vs stretching before bed: what the evidence says, why slow practice works as a wind-down bridge, and how eight boring minutes fill the body slot.

One more match at midnight costs more than the match. How to set a gaming cutoff that holds: decide by day, end on a boundary, replace the lobby hour.

Deep sleep comes first because sleep pressure is highest at bedtime: the body banks its heavy repair early, then trades toward REM. What that means for your nights.

Blue light and sleep is a smaller story than the glasses aisle claims. What the 2015 tablet study actually found, and which thief takes your night.

Grace the accidental dog walker stumbled into the best morning light habit: fifteen minutes at 7:15, nothing else changed, sleep onset fixed within weeks.

Does screen time affect sleep? Yes, but mostly through content and stolen minutes, not the glow. What the pooled studies actually show, and the fix that's boring.

How to decompress after work without meditation apps: a ninety-second closing ceremony, downshift tasks with obvious endings, and why scrolling isn't a break.