Sleep more and less than sleep well

"Chinese Stroke Journal" is a high-level academic journal of medical specialty that is headed by the Ministry of Science and Technology of the People's Republic of China and sponsored by the China Institute of Science and Technology Information and Science and Technology Press
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In order to strengthen the medical information exchange in the field of cerebrovascular diseases, improve the academic level of medicine, and serve the majority of medical technology and health workers, the Chinese Journal of Stroke and the Yimaitong platform jointly launched a series of columns-"Stroke "Miscellaneous" Talks"
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This column selects the high-quality content related to stroke in each issue of the Chinese Journal of Stroke, adapts it, and publishes it on the "Yimaitong Neurology" public account.
I look forward to learning and discussing stroke-related diseases with you! This article is organized: "Chinese Stroke Journal" Editorial Department Note: This article has been officially authorized by "Chinese Stroke Journal", please do not reprint without authorization
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Original source: Wang Xue, Yu Ping, Chen Tianyong.
The relationship between sleep duration, sleep quality and post-stroke depression[J].
Chinese Journal of Stroke, 2021, 16(08): 799-804.
http:// .
org.
cn/CN/10.
3969/j.
issn.
1673-5765.
2021.
08.
008 The incidence of depression in the first year after stroke is as high as 30%
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The relationship between sleep duration and sleep quality and post-stroke depression has received more and more attention
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Poor sleep quality can significantly increase the risk of post-stroke depression, which is easier to understand and has been scientifically verified.
However, the relationship between sleep duration, especially extended sleep duration, and post-stroke depression is controversial.
If sleep quality and sleep duration are further compared Considering it at the same time, the result is even more mysterious
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Is it more likely to be depressed if you sleep more, or is it more likely to be depressed if you sleep less? “It’s better to sleep better than a lot of sleep”, is it “the old ancestors are right” or “it’s always been the case, right”? Don’t worry, there are “tricks” in scientific research to control this mixed influence, from the Chinese Academy of Sciences This study of the Institute of Psychology has given us an answer to this confusion~~~ During the research process, the researcher selected 836 adult subjects who had a first stroke, and used the Self-Rating Depression Scale (SDS) for evaluation, such as the total number of subjects Score ≥30 points, and then use the 17-item Hamilton Depression Scale (HAMD-17) for assessment, and HAMD-17 score ≥8 for depressive state
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According to this standard, the subjects were divided into 453 cases (54.
2%) in the depression group and 383 cases (45.
8%) in the non-depression group
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The sleep behavior of subjects was evaluated by systematically trained researchers
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Sleep duration assessment: Ask the subject about the usual time to fall asleep and wake up in the past month, and calculate the length of sleep
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Divided into 5 groups according to sleep duration: <7 hours, 7-8 hours, 8-9 hours, 9-10 hours and ≥10 hours group
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Sleep quality assessment: Ask the subjects about their subjective sleep quality in the past month, which is divided into three levels: good, fair and poor
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Single factor analysis compared the difference in sleep quality and sleep duration between the depression group and the non-depressive group.
Multivariate logistic regression analysis explored the impact of sleep quality and sleep duration on the post-stroke depression
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The single factor analysis of the study results showed that the detection rates of depression with sleep duration <7 hours, 7-8 hours, 8-9 hours, 9-10 hours, and ≥10 hours were 57.
4%, 50.
8%, 51.
3%, and 54.
8%, respectively , 60.
3%
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There is a U-shaped relationship between sleep duration and the detection rate of post-stroke depression.
The specific manifestation is that subjects whose sleep duration is too long (≥10 hours) or too short (<7 hours) have a higher detection rate of post-stroke depression, and The detection rate of post-stroke depression in subjects with moderate sleep duration (7-9 hours) is relatively low
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However, after statistical analysis, the "U"-shaped relationship between sleep duration and post-stroke depression is only a trend that has not yet reached statistical significance
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In the analysis of sleep quality and depression, the results showed that patients with good, average and poor sleep quality accounted for 37.
1%, 33.
8%, and 29.
1% of the depression group, respectively, while the proportion of good sleep quality was significantly higher in the non-depressed group.
The average sleep quality was 51.
9%, 27.
9% had poor sleep quality, and only 20.
1% had poor sleep quality, and the above difference was statistically significant
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Table 1 Single factor analysis of sleep quality and sleep duration of the two groups.
Multivariate logistic regression showed that sleep duration is not a factor influencing post-stroke depression
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However, after adjusting for the influence of other confounding factors, sleep quality is still an independent influencing factor of post-stroke depression.
Subjects with average sleep quality and poor sleep quality are 1.
729 times and 1.
817 times higher than those with good sleep quality, respectively.

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Sleep quality is closely related to post-stroke depression.
The reason may be that sleep quality can better reflect the overall recovery of stroke patients.
Sleep can affect people's cognition, physiology, mood, and quality of life
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Table 2 Multi-factor analysis summary of the influence of sleep duration and sleep quality on post-stroke depression.
In summary, the "quality" of sleep has a significant impact on post-stroke depression, while the "amount" of sleep has no significant effect on post-stroke depression
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Sleeping much is not as good as sleeping well.
The prevention and treatment of post-stroke depression requires special attention to the patient’s sleep quality, and depression and insomnia should be treated as intervention targets at the same time
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After all, one-third of our lives are spent in sleep.
If we don’t sleep well, it is likely to affect the remaining two-thirds of you.
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