“…Some studies have reported that increasing duration of dialysis, physical health, co-morbidities, burden of kidney disease, sexual function, dyspnea, pain, itching, mean corpuscular volume, serum albumin, and diabetes mellitus worsen the quality of sleep [2,3,9,10]. However, contradictory studies are also available that suggest that quality of sleep in MHD patients is not related to age, gender, biochemical parameters, and other factors mentioned above [4,6]. Sleep quality has been reported to be independent of type of dialysis, i.e., the MHD and peritoneal dialysis suggesting that it could be either the burden of illness or the biochemical parameters that govern the quality of sleep [9,11].…”