1 Department of Psychiatry and Division of Sleep Medicine, All India Institute of Medical Sciences Rishikesh, Rishikesh, Dehradun, Uttarakhand, 249203, India. Electronic address: sabbusaffi1@gmail.com.
2 Department of Psychiatry and Division of Sleep Medicine, All India Institute of Medical Sciences Rishikesh, Rishikesh, Dehradun, Uttarakhand, 249203, India. Electronic address: kundukaustav999@gmail.com.
3 Department of Pulmonary Medicine and Division of Sleep Medicine, All India Institute of Medical Sciences, Rishikesh, Dehradun, Uttarakhand, 249203, India. Electronic address: lokesh.pulm@aiimsrishikesh.edu.in.
4 Department of Psychiatry and Division of Sleep Medicine, All India Institute of Medical Sciences Rishikesh, Rishikesh, Dehradun, Uttarakhand, 249203, India. Electronic address: sleepdoc.ravi@gmail.com.