Lights Out

Thoughts, stories and ideas.

August 31, 20262 min read

Your Bedroom Isn't As Dark As You Think, And Your Heart Rate Knows It

A single night under light dim enough to call "dark" still raised heart rate and next-morning insulin resistance in a Northwestern trial. Here's what's actually leaking into your room.

August 17, 20262 min read

Your Closed Bedroom Door Is Costing You A Third Of Your Deep Sleep

Sleepmaxxing has you buying blackout curtains and cooling pads. The thing actually stealing your deep sleep is the air in the room, and the fix costs nothing.

Free, nightly, no filler

One small fix a night, and your sleep starts coming back.

Join readers who stopped guessing. Every letter names the culprit, then hands you the fix.

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