title: Letter: REM sleep and cardiac arrhythmias.
mesh_terms: D000889:Anti-Arrhythmia Agents / Q000009:adverse effects* / Q000627:therapeutic use; D001145:Arrhythmias, Cardiac / Q000188:drug therapy* / Q000209:etiology; D006801:Humans; D012895:Sleep, REM / Q000187:drug effects*
chemical_list: D000889:Anti-Arrhythmia Agents