
Sleep Hygiene: The 5 Habits That Actually Move the Needle, Ranked by Evidence
Forget the 40-item checklists. Sleep researchers keep pointing at the same short list. Here it is, in order of leverage — with the science for each.
Wellness Research DailyBetter nights, explained: routines, environments, and habits that actually help.

Evening is when the day's standing and sitting sends its invoice. Most night-leg discomfort is ordinary — but one common condition, restless legs syndrome, is treatable and often missed.

Forget the 40-item checklists. Sleep researchers keep pointing at the same short list. Here it is, in order of leverage — with the science for each.

You can't sprint into sleep. A realistic off-ramp for the last half hour of the day — designed around the evidence, no incense required.

In a NASA study, a 26-minute nap boosted alertness by 54%. But nap wrong and you'll wake feeling worse than before. The two dials that decide everything.

Your circadian rhythm runs on light and anchors far more than sleep. Understanding its rules explains a surprising amount of daily life.

Sleep scientists converge on about 65°F. Most bedrooms run warmer. Here's the physiology — and cheap fixes that don't require a new thermostat.

About 60% of adults sleep on their side. Each position has trade-offs — and the right pillow matters more than the right position.

Weekend lie-ins feel like debt repayment. A 2019 study in Current Biology measured what actually happens — and the body's accounting turned out to be less forgiving.