Ratrijagarana night wakefulness and its impact on Manasika Bhava mental characteristics among industrial workers: A descriptive cross-sectional study.

Nidra (sleep), Ahara (food) and Brahmacharya (abstinence) are the three sub-pillars of health and alterations in these basic pillars of health can lead to mortality and morbidity. Among these, Nidra has a critical role in the biological and psychological functioning of the body. The circadian rhythm is the physiological machinery that controls and regulates physiological activities throughout the 24 hours in conjunction with the day and night.