Background: Sleep disorders are being more prevalent among general population. Its poor sleep quality causes depression, accidents, mortality, and morbidity among general population. Aim: To know the prevalence of sleep disorder among general population. Methods: Data was collected from general population of Karachi in 6 days. Questionnaire for Sleep-Quality Developed by Colin Espie, Professor of Sleep Medicine, University of Oxford was used to assess the sleep problems and sleep quality of respondents. Results: Moreover, 6.2% reported had severe sleeping problems and need clinical attention. 5.9% had some sleeping problems. 38.2% of respondents have good sleep while 49.75 had great sleep quality. Majority of respondents belong to age 20 to 30 age groups, students, undergraduate, female, exercised once in a week and were vegetarian. Age 20 to 30 age groups, students, undergraduate, female, exercised once in a week and being vegetarian was associated with sleep problem (P<0.05). 20 to 30 age group, Health sector and inter education level, diabetes, obesity, difficult breathing, snoring while sleeping and smoking was associated with sleep problems (P30 age group, undergraduate education level, students, exercising once in a week and eating vegetarian food were associated with good sleep quality (P<0.05). Poor sleep quality causes depression, accidents, mortality, and morbidity among general population. Conclusion: This study will provide the important information to the higher authorities related to the most vulnerable groups related to sleep problems and factors associated with good sleep quality.