title: Periodic breathing during sleep.
mesh_terms: D000328:Adult; D000367:Age Factors; D002245:Carbon Dioxide / Q000378:metabolism; D002639:Cheyne-Stokes Respiration; D006801:Humans; D008297:Male; D008875:Middle Aged; D010101:Oxygen Consumption; D012119:Respiration; D012890:Sleep; D012894:Sleep Stages; D012895:Sleep, REM
chemical_list: D002245:Carbon Dioxide