「熱帯夜」に気をつけたい　“3つのNG行動”医師が指摘【スーパーJチャンネル】(2026年7月14日)

Tokyo is expected to experience its first tropical night of the year on the night of the 14th. So, what are the "three things you absolutely shouldn't do"? A practicing doctor shared their tips for dealing with tropical nights. ■ "Three Things to Avoid" as Pointed Out by a Doctor A person in their 30s (from China): "Tokyo is terrible. Tokyo is really terrible, it's so hot in Tokyo." 　The heat isn't just during the day. 　Even at night, temperatures in central Tokyo are not expected to drop below 25℃, making it the first tropical night of the year. A person in their 20s: "It's terrible. It's hard to sleep, and when I wake up in the morning, I'm covered in sweat." "It's tough, isn't it? It's hot during the day, and hot at night, it's awful." 　A doctor urges caution. Dr. Hiromichi Ito, Director of Ito Oji Kamiya Internal Medicine and Surgery Clinic: "Tropical nights pose a significant risk of indoor heatstroke and nocturnal heatstroke." 　Nighttime heatstroke. There are three things to avoid on tropical nights. First, let's talk about how people use their air conditioners. What temperature do people in the city set theirs to? A person in their 60s (set to approximately 24°C): "I don't set it to freezing cold. (My wife) gets angry." A person in their 20s (set to 23°C): "Even at 23°C, it's hot on hot days. I wake up in the middle of the night." Families who struggle with air conditioner temperature settings every night… A person in their 30s (set to 25°C): "My husband gets hot easily, so at first he says 'It's hot,' so I lower it a bit until it cools down, then raise it to 25°C and turn on the fan." "(Q. Do you protest to your husband?) Yes. He'll say 'It's cold' and turn it off, then turn it back on. 'It's cold,' 'No, it's hot.' The battle gets even more intense when it gets hotter." The most notable aspects of air conditioner usage were… A person in their 60s: "I set the timer for about 3 hours." A person in their 80s: "I set the timer. The air conditioner isn't on until morning. It was hard to sleep; I woke up before 5 AM..." However, it's important to be careful about turning off the air conditioner midway through the night. Dr. Hiromichi Ito, Director of Ito Oji Kamiya Internal Medicine and Surgery Clinic: "On tropical nights, the temperature returns to almost normal after 2-3 hours of turning off the air conditioner. I keep the air conditioner off for less than 3 hours during the night." Next is bathing before bed. A person in their 60s: "I try to soak in lukewarm water." A person in their 20s: "When I want to sleep, I take a shower quickly and go to bed. Heating the bath is a hassle, and I don't have the time. I might fall asleep in the bath." On the other hand, Dr. Ito has a bathing method he follows every day. Dr. Hiromichi Ito, Director of Ito Oji Kamiya Internal Medicine and Surgery Clinic "I'm doing heat acclimatization bathing." Heat acclimatization bathing is a method of thoroughly warming the body to induce sweating, and then slowly releasing the heat. Dr. Hiromichi Ito, Director of Ito Oji Kamiya Internal Medicine and Surgery Clinic "I'm starting to sweat, and my face is getting smooth." The bath temperature is around 40℃. Immerse yourself in the bath up to your shoulders, within a comfortable range, and sweat thoroughly. Replenish fluids frequently to compensate for the sweat. Dr. Hiromichi Ito, Director of Ito Oji Kamiya Internal Medicine and Surgery Clinic "I'm sweating nicely; this is heat acclimatization bathing." There are also important points to consider after bathing… Dr. Hiromichi Ito, Director of Ito Oji Kamiya Internal Medicine and Surgery Clinic "Cooling down my body. Gently direct the cool air from the air conditioner onto my body with a fan or similar." Slowly lower your body temperature by directing the airflow. Dr. Hiromichi Ito, Director of Ito Oji Kamiya Internal Medicine and Surgery Clinic: "Not taking a bath or even a shower is a no-no. Bathing helps release the heat accumulated in your body." And finally, what do you drink before bed? A person in their 60s: "Drink a glass of cold water, and before that, have a beer... It helps you fall asleep (better) because the alcohol is already circulating." Dr. Hiromichi Ito, Director of Ito Oji Kamiya Internal Medicine and Surgery Clinic: "Avoid drinking alcohol, coffee, black tea, or green tea at least four hours before going to bed. If you drink something with a strong diuretic effect, drink water or diluted fluids to compensate." So, what does Director Ito drink? Dr. Hiromichi Ito, Director of Ito Oji Kamiya Internal Medicine and Surgery Clinic: "I'm drinking milk. I can feel my body thanking me. My calf muscles feel full. Milk and yogurt contain nutrients, including protein, and minerals. They are absorbed slowly after ingestion, which helps prevent extreme dehydration at night." [TV Asahi NEWS] https://news.tv-asahi.co.jp