Prevalence and characterization of sleep quality and insomnia in security guards working on the day and night shift in Delhi-NCR.

Background: In today's modern world, shift working has become an important part of society and industrial work; prolonged wakefulness is a widespread phenomenon due to which the sleep patterns of individuals are getting disturbed, and many sleep disorders are arising.

Purpose: This study compared the sleep quality and insomnia of the security guards working the day and night shifts.

Methods: This observational study comprised 100 security guards from Delhi and the NCR region.