The department of
Sleep Hygiene
Sleep hygiene covers the habits and routines that improve sleep quality: bedroom temperature, light exposure, caffeine timing, and wind-down practices.
Pieces
6
Sleep Hygiene
July 2026 · 6 min
Sleep Hygiene Starts With the Room: What 40 Lux Actually Does to You
Turn on your bedroom light and glance at it. Somewhere between 100 and 300 lux is hitting your eyes right now — a normal indoor evening.
By Diane Norwood · Read →
Insomnia
July 2026 · 6 min
Sleep Disorders vs. Bad Habits: What the 15-Minute Rule Actually Tells You
There is a number that sleep clinicians carry around in their heads: fifteen minutes. That is roughly how long a healthy adult should take to fall asleep after the lights go out.
By Laura Pendleton · Read →
CPAP
June 2026 · 9 min
CPAP Maintenance Versus Bedroom Hygiene: Which One Actually Protects Your Sleep?
Pull the water chamber off a humidifier that's been sitting since this morning and tip it toward the light.
By Patrick Sumner · Read →
Insomnia
May 2026 · 6 min
Sleep Hygiene Is Mostly One Number: What "Stimulus Control" Actually Does
There is a number behind good sleep hygiene that almost no one quotes, and it is more useful than anything you've read about blue light.
By Thomas Greenwood · Read →
Circadian
May 2026 · 5 min
Sleep Hygiene Isn't a Bedtime Routine: What Actually Moves the Needle
There is a version of sleep advice — you have read it, probably this week — that reads like a spa menu. Dim the lights. Lavender. No screens after nine. A cool, dark room. A cup of chamomile.
By Megan Caldwell · Read →
Circadian
May 2026 · 6 min
Sleep Hygiene Is Mostly Right, and Mostly Oversold
You have read the list before. Keep the bedroom cool and dark. No screens an hour before bed. No coffee after 2 p.m. Go to bed and wake up at the same time. Take a warm bath. Don't nap. Don't drink.
By Judith Hawthorn · Read →
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