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Korean J Fam Med. 2010 Nov;31(11):837-844. Korean. Original Article.
Lee S , Cheong YS , Park EW , Choi EY , Yoo HK , Kang KH , Kang WS , Kim KS , Kim HK , Park KS , Park YJ , Suh MS , Sim SK , Yeoum HT , Lee R , Lee SH , Lim KB , Jeong EJ , Park HK , Lee B , Lee H .
Department of Family Medicine, Dankook University College of Medicine, Cheonan, Korea.
Cheonan Practice-Based Research Network, Cheonan, Korea.
Bombit Seoul Clinic, Seoul, Korea.
Dr. Lee's Family Clinic, Goyang, Korea.
Our Family Clinic, Goyang, Korea.

BACKGROUND: Sleep is an essential restorative physiologic phenomenon. Impaired sleep results in significant negative effect to the health. Symptoms like sleep initiation difficulty, frequent awakening, severe snoring have related to poor sleep quality. We studied frequency and compared the characteristics of common sleep disorders at family practice. METHODS: We surveyed patients over 18 years of age and their guardians who visited 16 familial practices for 6 days. We investigated sleep characteristics, frequency of sleep disorder and associated factors by questionnaires and analyzed by frequency analysis, Spearman's correlation coefficient, multiple logistic regression. RESULTS: We enrolled 1,117 participants. Older participants were more likely to report early sleep onset and off time, short sleep duration. Mean number of awakening during a typical night is 1.69. Female complained difficulties in initiation and maintenance of sleep more than male. A total of 32.5% had these insomnia symptoms and related to hypertension, stroke, stress, arthralgia, depression, urological disorder. 31.1% had excessive daytime sleepiness, related to stress, arthralgia, depression. Loud snoring and gasp for breath showed positive correlation between male, high BMI. Disrupted sleep over 3 times was related to old age, female, diabetes, hypertension, stroke, stress, arthralgia, depression. Restless leg syndrome were high in elderly, high BMI, stress, arthralgia and depression. CONCLUSION: About one in three who visit in primary medical practice have sleep disorder symptoms like insomnia, daytime fatigue, snoring. 3% of them have gasp for breath, 8% have restless leg syndrome.

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