期刊
SLEEP MEDICINE REVIEWS
卷 8, 期 3, 页码 159-174出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.smrv.2003.10.002
关键词
risk; long sleep; sleep duration; sleep restriction; mortality
资金
- NHLBI NIH HHS [HL71560] Funding Source: Medline
- NIA NIH HHS [AG12364] Funding Source: Medline
Epidemiologic studies have consistently shown that steeping > 8 h per night is associated with increased mortality. Indeed, the most recent American Cancer Society data of 1.1 million respondents showed that steeping longer than 7.5 h was associated with approximately 5% of the total mortality of the sample. The excess mortality was found even after controlling for 32 potentially confounding risk factors. Although epidemiologic data cannot prove that tong sleep duration causes mortality, there is sufficient evidence to warrant future testing of the hypothesis that mild steep restriction would decrease mortality in tong sleepers. Steep restriction might resemble dietary restriction as a potential aid to survival. Steep restriction has several potential benefits besides possible enhanced survival. Acute sleep restriction can have dramatic antidepressant effects. Also, chronic sleep restriction is perhaps the most effective treatment for primary insomnia. Conversely, spending excessive time in bed can elicit daytime lethargy and exacerbate sleep fragmentation, resulting in a vicious cycle of further time in bed and further sleep fragmentation. Steep restriction may be most beneficial for older adults, who tend to spend excessive time in bed and have more steep fragmentation compared with young adults. (C) 2004 Elsevier Ltd. All rights reserved.
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