Background: Disturbed Sleep is among the most frequent health complaints physicians encounter. Sleep deprivation and disruption of the circadian timing systems can lead to serious impairment of day-time functioning. Two groups of individuals are recognized based on sleep habits: Morning types and Evening types. Objective: To find out the habitual timing and sleep habits in age group 20 to 50 years in apparently healthy individuals living in Jaipur. Material and Methods: The study was conducted retrospectively on randomly selected 1000 apparently healthy subjects of age 20 to 50 years on self and recalling normal routine sleep pattern excluding change in on special occasions like examination, marriage parties etc. Results: Out of 1000 subjects most of the people 506 (50.6%), were sleeping 7-8 hr, followed by 281 (28.1%) were sleeping 6-7 hr and the least was 8 (0.8%) were sleeping >9 hr. Out of 1000 subjects 775 (77.5%) were having a long consolidated sleep in night (Monophasic sleep) and 225 (22.50%) were having a long consolidated sleep in night and a few hours sleep in daytime or siesta (Biphasic sleep). Conclusion: Majority of subjects in various groups (30% to 87%) living in Jaipur are sleeping 7-8 hr in night and least study population are sleeping < 6 hr and > 9hr. 77.5% of study population are not sleeping in daytime (no siesta) and having monophasic sleep and 22.5% were sleeping in daytime (siesta) and having a biphasic sleep.