A recent large-scale study has revealed that sleep is the second most significant factor influencing human lifespan—second only to smoking. By analyzing health data from hundreds of thousands of individuals, researchers found that people who consistently get insufficient sleep (typically less than six hours per night) or experience poor sleep quality face a significantly higher risk of all-cause mortality. In contrast, maintaining regular, sufficient, and high-quality sleep—generally between seven to nine hours per night—is strongly associated with lower risks of cardiovascular disease, diabetes, cognitive decline, and impaired immune function.Experts emphasize that sleep is not merely a period of rest but a critical biological process involved in hormone regulation, metabolic balance, and the brain’s clearance of metabolic waste. Chronic sleep deprivation disrupts these essential systems, accelerating aging and increasing susceptibility to chronic illnesses. Notably, the study highlights that sleep issues are often underestimated by the public; many willingly sacrifice sleep for work or entertainment without realizing its health impact may rival that of smoking.Public health experts now urge individuals to prioritize sleep as a cornerstone of daily health management. Recommendations include maintaining a consistent sleep schedule, minimizing screen time before bed, and creating a quiet, comfortable sleep environment. Improving sleep quality may be one of the simplest yet most effective ways to promote longevity.
近期一项大型研究指出，睡眠对人类寿命的影响仅次于吸烟，成为影响健康和长寿的第二大关键因素。该研究综合分析了数十万人的健康数据，发现长期睡眠不足（通常指每晚少于6小时）或睡眠质量差的人群，其全因死亡风险显著升高。与之相对，保持规律、充足且高质量的睡眠（通常为每晚7至9小时）与较低的心血管疾病、糖尿病、认知衰退及免疫功能下降风险密切相关。专家指出，睡眠不仅是身体修复和恢复的重要过程，还参与调节激素分泌、代谢平衡和大脑清除代谢废物等关键生理机制。长期剥夺睡眠会扰乱这些系统，进而加速衰老并增加慢性病风险。值得注意的是，研究还强调，睡眠问题往往被公众低估，许多人宁愿牺牲睡眠来换取工作或娱乐时间，却未意识到其潜在危害堪比吸烟。因此，公共卫生专家呼吁将睡眠健康纳入日常健康管理的核心内容，倡导建立良好的睡眠习惯，如固定作息时间、减少睡前电子设备使用、营造安静舒适的睡眠环境等。改善睡眠，或许是最简单却最有效的延年益寿方式之一。
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