Objective: The aim of the study was to examine the cross-sectional relationship between sleep duration and 12 chronic diseases
 (obesity risk, diabetes, asthma, renal failure, hypertensive diseases, chronic obstructive pulmonary disease, cardiovascular diseases,
 ischaemic heart disease, pulmonary heart disease, immunodeficiencies and immune system disorders) by transferring the data to the
 national electronic patient record system through wearable device technology.
 Materials and Methods: The data of the study were obtained from the Ministry of Health “Turkey National Personal Health Record
 System” (The “e-Nabız”). Between 30.03.2023 and 28.05.2023, 315448 data from 27847 people (15167 male) were collected and
 analysed on the basis of province, rural status, age group, gender and presence of chronic diseases and average, minimum (min),
 maximum (max) sleep duration. Descriptive statistics, chi-square analysis, Independent Samples t-Test, One-way Analysis of Variance
 and Pearson’s correlation coefficient were used.
 Results: The max. and average sleep duration were significantly shorter in men. Max. sleep duration decreased while the average sleep
 duration increased with increasing age. Participants with asthma, chronic renal failure and cerebrovascular diseases had decreased
 average sleep duration. The frequency of those who slept for 7-8 hours, which is the ideal sleep duration, is lower in all chronic diseases.
 Conclusion: Most of the common chronic diseases may affect the sleep duration times and quality, which may further affect the
 prognosis of these patients.
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