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Year : 2021  |  Volume : 8  |  Issue : 2  |  Page : 107-112

A study of quality of sleep, quality of life, and cognition in elderly: Healthy control, depressed and with mild neurocognitive disorder

1 Department of Psychiatry, Civil Hospital, Ratnagiri, Maharashtra, India
2 Department of Psychiatry, B.Y.L. Nair Hospital and T.N.M.C, Mumbai, Maharashtra, India
3 Department of Psychiatry, Lady Hardinge Medical College, New Delhi, India
4 Department of Psychiatry, Institute of Mental Health, PGIMS, Rohtak, Haryana, India

Correspondence Address:
Dr. Shipra Singh
Department of Psychiatry, Institute of Mental Health, PGIMS, Rohtak, Haryana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jgmh.jgmh_35_21

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Background: Sleep plays a vital role in maintaining optimum physical and mental functioning and can be implicated in affecting the quality of life (QOL) and cognition in elderly population. This study aims to assess quality of sleep, QOL and to assess the effect of quality of sleep on QOL and cognition in elderly population Materials and Methods: A cross-sectional study was done in elderly population in which 30 were healthy control, 30 depressed, and 30 with mild neurocognitive disorder (NCD) who were assessed using Pittsburg Sleep Quality Index, World Health Organization QOL (WHOQOL)-BREF, Geriatric Depression Scale-Short form, and Addenbrooke's Cognitive Examination Scale-Revised (ACE-R). Statistical analysis was done using SPSS 20 software using descriptive methods and Pearson's correlation test. Results: Mean Pittsburgh Sleep Quality Index (PSQI) score was the lowest and mean WHOQOL-BREF score highest in healthy control compared to elderly with mild NCD and depression, the difference being statistically significant in both cases (P < 0.01). PSQI scores have negative correlation with the ACE-R scores when studied in healthy control group (P < 0.05, r = −0.136) and WHOQOL-BREF domain scores overall (P < 0.01 r = −0.485, −0.497, −0.350, −0.475). Conclusion: Quality of sleep in elderly with depression and mild NCD is lower as compared to healthy control. Sleep may affect QOL and cognition in elderly and thus it would be essential to screen and identify sleep-related issues and intervene early.

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