Urbanization and modernization together are the contributors to lifestyle diseases. This lifestyle impacts on health and well-being. Sleep is one among the best elixir and tonic of life. It is a natural rejuvenator to refresh every living being in the earth. Any alterations in the quantity, quality as well as the patterns of the sleep, contributes to various disorders of sleep. Sleep disturbances occur in many of the psychiatric illnesses and is also as a component of the diagnostic criteria for specific disorders. According to National institute of health, the prevalence of sleep disorders in America is approximately among 14.71 % of the population. A higher prevalence of sleep disorders related to initiation and maintenance of sleep (28%) was reported in an urban population from India. Among these sleep disorders, insomnia is the commonest clinical presentation which is 40% more common in women than in men. Severe insomnia is sleeping less than 3.5 hours in females and 4.5 hours in males, may lead to a reduced life span.