Abstract: In this modern scientific era, every human wants to move forward, he is trying in every way to live his life well and he is working day and night to fulfil his dreams and he is working hard. To fulfil his every desire, he is doing extra work to get everything, due to which work pressure is on him and his physical and mental condition is getting affected, due to which his practical, social, occupational and family relations are getting spoiled. And he is also likely to have mental illnesses in the future. One should practice Yoga Nidra to remain mentally and physically healthy. Yog Nidra has been of great importance since ancient times. Yoga Nidra is literally Yogic sleep or deep relaxation or meditative state.