健康睡眠的持续时间似乎在不同文化之间有所不同
Christine Ou1, Nigel Mantou Lou2, Charul Maheshka3
1School of Nursing, Faculty of Health, University of Victoria, Victoria, British Columbia V8P 5C2, Canada.
概括
对健康的最佳睡眠时间在全球范围内有所不同. 一个国家的睡眠时间较短并不一定意味着国家健康状况较差,但当睡眠与当地理想相一致时,个人健康状况最好.
科学领域:
- 睡眠科学 睡眠科学
- 全球健康 全球健康
- 流行病学 流行病学
背景情况:
- 睡眠时间是已知的健康决定因素,但国际上存在显著差异.
- 之前的研究还没有明确地确定国家平均睡眠时间与人口健康之间的联系.
- 了解跨文化睡眠差异对于公共卫生倡议至关重要.
研究的目的:
- 调查国家睡眠时间与国家健康状况之间的关系.
- 检查个人睡眠时间如何与不同国家背景下的健康有关.
- 为了确定在不同国家是否存在普遍的健康最佳睡眠时间.
主要方法:
- 研究1:对14项关于国家睡眠时间和健康状况的研究 (k=353) 的元分析.
- 研究2:对来自20个国家的4933名个人进行横截面调查,收集睡眠时间和自我报告的健康数据.
- 统计分析以确定国家和个人层面的睡眠模式与健康之间的联系.
主要成果:
- 在研究1中,国家平均睡眠时间和国家健康指标之间没有发现显著的关联.
- 在研究2的20个国家中,观察到平均睡眠时间 (1.57小时范围) 的显著变化.
- 在所有国家中都发现了睡眠时间和健康之间的二次关系,最佳睡眠时间因国家而异. 报告睡眠更接近国家理想的个人有更好的健康状况.
结论:
- 国家平均睡眠时间不能可靠地预测国家健康结果.
- 对个人的健康而言,最佳的睡眠时间似乎是文化上相对的,并且是国家特有的.
- 关于睡眠时间的公共卫生建议可能需要考虑国家特定的变化和感知理想.
相关概念视频
01:13Insufficient Sleep and Sleep Deprivation
125
Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
Sleep deprivation is a more severe form of sleep loss...
125
01:24Sleep-Wake Cycles
1.2K
Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
1.2K
01:22Stages of Sleep
161
Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
161
01:11Understanding Sleep
214
Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
214
01:27Insomnia
78
Insomnia is a prevalent sleep disorder characterized by difficulty falling asleep, frequent awakenings during the night, and waking up too early without being able to return to sleep. People with insomnia often experience these disruptions at least three nights a week for at least one month. Chronic insomnia, which lasts for at least three months, can lead to increased anxiety, which in turn can worsen sleep difficulties, creating a cycle of sleeplessness and stress.
Multiple factors contribute...
Multiple factors contribute...
78
01:19Management of Insomnia
229
The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
229