https://kaifuku-mag.com/en/ KAIFUKU is a recovery culture magazine for hard workers who are bad at resting. Daily reads on the culture and science of training, sauna, sleep and rest. en https://kaifuku-mag.com/en/2026-08-29-yukyu-shutokuritsu/ https://kaifuku-mag.com/en/2026-08-29-yukyu-shutokuritsu/ Fri, 28 Aug 2026 21:00:00 GMT Come September, the number of remaining paid leave days scribbled in the corner of a planner starts to catch the eye. Japan's Ministry of Health, Labour and Welfare's "FY2025 General Survey on Working… https://kaifuku-mag.com/en/2026-08-29-yojokun/ https://kaifuku-mag.com/en/2026-08-29-yojokun/ Fri, 28 Aug 2026 21:00:00 GMT "To eat until fully sated invites misfortune later." That is one line from the *Yojokun*, written in 1713 by Kaibara Ekken. The book runs to eight volumes and treats daily meals, exercise, and even th… https://kaifuku-mag.com/en/2026-08-29-renkyu-boke-chosa/ https://kaifuku-mag.com/en/2026-08-29-renkyu-boke-chosa/ Fri, 28 Aug 2026 21:00:00 GMT The Monday after a long weekend, the body feels heavier than usual. A survey by MoonMoon Inc. found that 73.5% of people reported feeling some kind of "unwellness." https://kaifuku-mag.com/en/2026-08-29-nagano-yasai-shio/ https://kaifuku-mag.com/en/2026-08-29-nagano-yasai-shio/ Fri, 28 Aug 2026 21:00:00 GMT Nagano Prefecture's vegetable intake is still among the highest in Japan. But it isn't "highest for both men and women." According to the FY2024 National Health and Nutrition Survey, published by Japa… https://kaifuku-mag.com/en/2026-08-29-deload/ https://kaifuku-mag.com/en/2026-08-29-deload/ Fri, 28 Aug 2026 21:00:00 GMT Work gets busy, and three weeks slip by without a trip to the gym. On the day you go back, you brace yourself a little at the door. It feels like everything you'd built up over those weeks must have q… https://kaifuku-mag.com/en/2026-08-28-unkai-harbor-achi/ https://kaifuku-mag.com/en/2026-08-28-unkai-harbor-achi/ Thu, 27 Aug 2026 21:00:00 GMT Heavens Sonohara in Achi Village, Nagano Prefecture, is holding "Sky Paradise Unkai Harbor," where visitors ride an early-morning gondola and observation-deck lift to wait for a sea of clouds. https://kaifuku-mag.com/en/2026-08-28-shonetsu-junka-nukeru/ https://kaifuku-mag.com/en/2026-08-28-shonetsu-junka-nukeru/ Thu, 27 Aug 2026 21:00:00 GMT Four days. If a run of cooler days cuts down the time you spend outside, the heat tolerance you built up over the height of summer may start to break down in just that many days — that's how we see it… https://kaifuku-mag.com/en/2026-08-28-shizen-120fun/ https://kaifuku-mag.com/en/2026-08-28-shizen-120fun/ Thu, 27 Aug 2026 21:00:00 GMT How many minutes, in total, have you spent outdoors in the fresh air this week? A 2019 study of roughly 20,000 adults in England offers one benchmark: 120 minutes a week. https://kaifuku-mag.com/en/2026-08-28-saku-kenko-toshi/ https://kaifuku-mag.com/en/2026-08-28-saku-kenko-toshi/ Thu, 27 Aug 2026 21:00:00 GMT In December 2011, Saku City drew up the "World's Healthiest City Vision" and the accompanying implementation plan that translated it into policy. What this vision set as its goal was not healthy life … https://kaifuku-mag.com/en/2026-08-28-hirou-to-hiroukan/ https://kaifuku-mag.com/en/2026-08-28-hirou-to-hiroukan/ Thu, 27 Aug 2026 21:00:00 GMT What does it actually mean to be tired? The Japanese Society of Fatigue Science already has an answer ready for that question: "fatigue" and "the sensation of fatigue" are not the same thing. The firs… https://kaifuku-mag.com/en/2026-08-27-training-junban/ https://kaifuku-mag.com/en/2026-08-27-training-junban/ Wed, 26 Aug 2026 21:00:00 GMT If you are doing strength and cardio on the same day, putting the strength work first tends to give better lower-body numbers — several meta-analyses report results pointing that way. You arrive at th… https://kaifuku-mag.com/en/2026-08-27-recovery-tourism/ https://kaifuku-mag.com/en/2026-08-27-recovery-tourism/ Wed, 26 Aug 2026 21:00:00 GMT In a survey of 100,000 people in Japan, 33.0% said they travel in order to recover from fatigue. Five years ago the figure was 27.4%, so that is a rise of 5.6 points. On a late-summer express train, t… https://kaifuku-mag.com/en/2026-08-27-oofos-popup/ https://kaifuku-mag.com/en/2026-08-27-oofos-popup/ Wed, 26 Aug 2026 21:00:00 GMT The recovery footwear brand OOFOS is opening a limited-run, company-operated store in Shimokitazawa, Tokyo. https://kaifuku-mag.com/en/2026-08-27-hrv/ https://kaifuku-mag.com/en/2026-08-27-hrv/ Wed, 26 Aug 2026 21:00:00 GMT Heart rate variability (HRV) is the variation in the intervals between heartbeats. Hear "resting heart rate of 60" and you picture a beat landing exactly once per second. A real heart is nowhere near … https://kaifuku-mag.com/en/2026-08-27-asa-protein/ https://kaifuku-mag.com/en/2026-08-27-asa-protein/ Wed, 26 Aug 2026 21:00:00 GMT With the same daily amount of protein, weighting it toward the morning and weighting it toward the evening produced different gains in muscle — that is what a research team including Waseda University… https://kaifuku-mag.com/en/2026-08-26-suwarisugi/ https://kaifuku-mag.com/en/2026-08-26-suwarisugi/ Tue, 25 Aug 2026 21:00:00 GMT Work at a desk, travel by car, sink into the sofa at home. Look back on the day and there are days you've barely stood at all. It turns out this is the average Japanese day. In a study by a research t… https://kaifuku-mag.com/en/2026-08-26-sleep-score/ https://kaifuku-mag.com/en/2026-08-26-sleep-score/ Tue, 25 Aug 2026 21:00:00 GMT You wake up and check the score before you check how you feel. 82. Not bad. You start to feel like you slept well — wait, isn't that backwards? A few years into the era of sleep-as-numbers, the ranks … https://kaifuku-mag.com/en/2026-08-26-shakai-jisaboke/ https://kaifuku-mag.com/en/2026-08-26-shakai-jisaboke/ Tue, 25 Aug 2026 21:00:00 GMT You haven't been abroad, yet on Monday mornings your body feels heavy, as if you were jet-lagged. The phenomenon has a name: social jetlag. Up at 6 on weekdays, up at 10 on weekends — to your body clo… https://kaifuku-mag.com/en/2026-08-26-sauna-jinko/ https://kaifuku-mag.com/en/2026-08-26-sauna-jinko/ Tue, 25 Aug 2026 21:00:00 GMT "The sauna boom is about over, isn't it?" We've heard that conversation more than once this past year. It's true that magazine features have thinned out, and news of new openings has lost its earlier … https://kaifuku-mag.com/en/2026-08-26-nezake/ https://kaifuku-mag.com/en/2026-08-26-nezake/ Tue, 25 Aug 2026 21:00:00 GMT A drink on a sleepless night really does feel like it works. Your body warms, your mind loosens, and before you know it you're out. The tricky thing about the nightcap — nezake, the Japanese custom of…