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. 2019 Oct 21;11:231–239. doi: 10.2147/NSS.S229105

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© 2019 Almeneessier et al.

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An illustration of the global Pittsburgh sleep quality index (PSQI) score at recruitment and the end of the study. The boxes demonstrate the mean and standard deviation of the PSQI scores. Green lines represent patients who had a decrease in the PSQI score, red lines represent patients with an increase in the PSQI score, and gray lines indicate patients with no change in the PSQI score.