While sleeping my father is snoring lot with differential sound and feeling discomfort in chest checked with cardio done ecg,echo,tmt everything is normal only elevation in
cholestrol on
lipid profile then i went to pulmunologist they checked father asking me to take sleep study.please clarify me what was that test and what it is used for,cost,where is it available in bangalore,while i try to check in search engine dont have any relevant results, sleep study will really help to fix my father's problem give me a valuable suggestions.