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就寝時間が睡眠時間と同じくらい重要な理由:不規則な睡眠に潜む心臓へのリスク

Why Your Bedtime Matters as Much as Your Sleep Hours: The Hidden Heart Risk of Irregular Sleep

寝る時間が毎日バラバラだと、心臓に悪いかもしれません。英国の大規模調査では、睡眠が不規則な人は心臓発作や脳卒中のリスクが26%高いと判明。睡眠時間だけでなく、規則正しさも大切です。
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Do you go to bed at 11 p.m. one night, and 2 a.m. the next night? Many people do. But a very irregular sleep schedule may be bad for your heart. In a large UK study, researchers followed 72,269 adults for about eight years. People with the most irregular sleep had a 26% higher risk of major heart problems, such as heart attack, heart failure, and stroke, than people with more regular sleep. The same study also found that enough total sleep did not fully remove that extra risk in the most irregular sleepers. This study shows a strong link, but it does not prove that irregular sleep directly causes heart disease. (ukbiobank.ac.uk)

This matches newer heart advice. In April 2025, the American Heart Association said healthy sleep is not only about how many hours you sleep. Sleep regularity matters too. The group said regular sleep timing is linked to better heart health, and irregular timing has been linked with higher risk of heart disease, high blood pressure, inflammation, and other problems. The CDC also says most adults need at least 7 hours of sleep each night and should go to bed and get up at the same time every day, even on weekends. (newsroom.heart.org)

New research in March 2026 points the same way. A study from Finland found that, in middle-aged adults, irregular bedtimes were linked to about twice the risk of major heart events in people sleeping less than about 8 hours. So the simple message is this: sleep time matters, but regular sleep matters too. Try to keep the same bedtime and wake-up time. Get natural light early in the day. Keep your bedroom cool, dark, and quiet. And if you snore a lot, stop breathing in sleep, or feel very sleepy in the daytime, it is smart to talk with a doctor. (link.springer.com)

by EigoBoxAI
作成:2026/06/02 12:03
レベル:超入門 (語彙目安:〜300語)
タイプ:ポッドキャスト

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