ARTICLES

A green mountainside and a thin waterfall seen through the window of a moving train

The Most Popular Thing to Do on a Trip? Soak in a Hot Spring. Inside "Compound Rest"

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OOFOS Opens a Four-Day Pop-Up at Shimokitazawa Reload from August 29

A heartbeat waveform drawn in green on a dark screen

Your Heart Is Not a Precise Clock. What Exactly Is "Heart Rate Variability"?

A carton of eggs, a slice of toast topped with a fried egg, and a cup of coffee on white linen

Same Daily Total, Different Result. The Muscle Grew on the Breakfast Protein

An empty meeting room, black chairs lined up along a long white table

Standing Up Counts as Work. Japan's 7-Hour Sitting Problem, the World's Longest

Close-up of a fitness tracker's screen against a black background

Your Sleep Gets Graded Again Tonight. How to Keep a Healthy Distance From the Score

A bed with rumpled sheets, morning sun coming through the blinds

Weekdays and Weekends Are Different Time Zones. How "Social Jetlag" Works

Close-up of sauna stones stacked on a sauna stove

The Boom Ended, the Culture Didn't. Heavy Sauna-Goers Are Up 35% in a Year

A glass of whiskey with ice on a dark wooden table

You Fall Asleep Faster, and Sleep Worse. Why the Nightcap Doesn't Pay

A retro electric fan on tatami flooring beside a shoji window

The 28°C Myth. How to Live With Your Air Conditioner on Tropical Nights

Two rolled yoga mats standing on the floor of a room in evening light

It Works Because You Don't Try. Bedtime Stretching Is Practice in Letting Go

A cup of coffee on a desk by a window with greenery outside

The One-Minute Break Pays. What 22 Studies Say About Micro-Breaks

A ruled notebook and fountain pen on a wooden table

Write It All Down. The 40-Year-Old Case for Expressive Writing

Overhead view of a mug of black coffee on a white table

Your 3 p.m. Coffee Works Past Midnight. The Blind Spot Called Caffeine's "Half-Life"

The silhouette of a runner on a park path in the light of dusk

Does Pushing Harder Really Make You Faster? The Fast People Run Slow, in "Zone 2"

An empty wooden sauna room with a large window overlooking water at dusk

Why Do Sauna Nights Knock You Out? The Key Is the Body-Temperature "Downhill"

Brown eggs in varying shades lined up in a paper egg carton

Muscle Is Made in the Kitchen. Where Does Japan's Official "65 g of Protein a Day" Come From?

A brown tabby cat asleep with its chin resting on the armrest of a yellow sofa

A 26-Minute Nap Changed Pilot Alertness by 54%. NASA's In-Flight Test of the Strategic Nap

A stone Jizo statue wearing a red hood and bib, with green mountains in the background

Live Strong to the End, Then Go Quickly. The Pinkoro Jizo of Saku, Japan's Longevity Country

A hand holding a glowing white smartphone in a pitch-dark room

The Light Isn't the Only Culprit. What Your Bedtime Phone Really Steals

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Rest Finally Got a Textbook. What the 160,000-Copy Bestseller "Kyuyogaku" Got Right

Rows of black dumbbells lined up neatly on a rack in an empty gym

Muscle Is Built Outside the Gym. Why Rest Days Are Part of Training

An outdoor cold-plunge tub with frost on its rim and ice floating on the water

Hot, Cold, and Back Again. What 13 Studies Really Say About Contrast Bathing

An empty bed with morning light streaming in

40% of People Who Sleep Alone Don't Know Whether They Snore

Feet of a person walking on wet cobblestones after rain, one heel lifted mid-stride

Breaking the 10,000-Step Spell. Japan's New Official Target Is 8,000

Silhouette of a person surfacing for breath from the water at dusk

The Sigh Beat the Deep Breath. Stanford's Five-Minutes-a-Day Breathing Study

A person seen from behind, walking down a tree-lined path in morning light

You Slept All Day and You're Still Tired. The Problem May Be How You Rest

A blanket draped over a sofa

The Best Fighters Rest Hardest. Dragon Ball Teams Up With Recovery Wear

Athletes pushing weighted sleds at a HYROX competition venue

Run, Push, Carry, Run Again. Inside HYROX, the Race 1.5 Million People Are Lining Up For

A sauna room with wooden benches and indirect lighting

A New Criterion for Choosing a Sauna Stay: the Pillow. Try One at 25 Facilities Nationwide