Abstract
Sleep is an essential function of life and clearly serves a crucial role in the promotion of health and performance. Poor sleep quality and sleep disorders have been a recurrent finding in patients with chronic kidney disease (CKD). Sleep disorders such as obstructive sleep apnea (OSA) can contribute to hypertension, diabetes (T2DM), cardiovascular disease (CVD) and worsen obesity, all of which are implicated in the etiology of CKD, but CKD itself may lead to OSA. Mechanisms specific to OSA could hasten a decline in renal function. OSA, in spite of its high prevalence, remains underdiagnosed and undertreated in CKD patients. Optimal sleep duration and quality play a significant role in improving control of T2DM. Insufficient sleep increases the risk of obesity. OSA, restless legs syndrome (RLS) and insomnia worsen health-related quality of life in CKD patients. RLS and depression are associated with increased mortality in CKD patients. There is emerging evidence linking insomnia and RLS to an increased risk of CVD, which is an important cause of mortality in CKD patients. Addressing sleep disorders could help to prevent not only the development but also the progression of CKD.
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