フィンランドで行われた長期調査により、中年期の就寝時間の不一致が深刻な心血管疾患のリスクを2倍近く高める可能性があることが明らかになりました。就寝時間が大きく変動し、かつ睡眠時間が8時間未満の人は最も高い危険にさらされていました。
オウル大学の研究チームは、1966年にフィンランド北部で生まれた3,231人を対象に追跡調査を行いました。参加者が46歳に達した時点で活動量計を用いて1週間の睡眠パターンを記録し、その後10年以上にわたり医療記録を通じて健康状態を追跡しました。主要な疾患には、入院を要する心臓発作や脳卒中が含まれます。
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Teenagers and young adults who reported using pre-workout dietary supplements were more than twice as likely as non-users to say they slept five hours or less per night, according to an analysis of Canadian survey data published in the journal Sleep Epidemiology.
A new study from Northwestern Medicine indicates that stopping eating three hours before bed and extending overnight fasting can improve blood pressure, heart rate, and blood sugar control without reducing calorie intake. Participants aligned their eating with natural sleep cycles, leading to measurable cardiometabolic benefits. The research highlights the importance of meal timing relative to sleep.
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Sweden's Public Health Agency has released new recommendations to improve youth sleep, as nearly six in ten teenagers go to bed after 11pm – a sharp rise since the 1980s. The agency highlights later bedtimes and sleep difficulties as common issues. Advice includes reducing screen time and increasing physical activity.
New research shows that visceral fat around the waist increases heart failure risk more than BMI, even among those with normal weight. Inflammation mediates much of this link. The findings were presented at the American Heart Association's EPI|Lifestyle Scientific Sessions 2026 in Boston.