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Lateral position improves Cheyne-Stokes respiration (CSR) in patients with heart failure in all sleep stages. Note also that CSR severity is mild in slow wave sleep (SWS) and most severe in stage 1 non-REM.
Adapted from Szollosi I, Roebuck T, Thompson B, Naughton MT. Lateral sleeping position reduces severity of central sleep apnea / Cheyne-Stokes respiration. Sleep. 2006;29(8):1045-51; with permission.
