Thirty-four percent of females and 15.7 percent of college-going students suffer from disturbed sleep a study has revealed ahead of World Sleep Day on March 18. According to the study conducted by Cosmos Institute of Mental Health and Behavioural Sciences (CIMBS) in Delhi students with sleep disturbances were also at higher risk of depression anxiety emotional and behavioural disturbances as well as alcohol and drug abuse. Psychiatrists from across the city are seeing a new trend of sleep disorder amongst children and adolescents and youth in which the individual sleeps late at night and wakes up late in the morning