This is an overnight, non-invasive recording of various bodily functions ( snoring,
breathing, heart rate, oxygen saturation , brain activity, muscle activity and eye
movements ) to identify and characterize sleep disorders .
Usually there is no need to repeat the sleep study, however if there is a change in the
sleeping patterns, disturbed sleep, loud snoring , day time sleeping if all
these problem still occurs, then one is advised to repeat sleep study.
Obstructive Sleep Apnea is a chronic problem which can lead to hypertension,
diabetes, strokes etc, if patient wants to discuss something with the doctor
related to his/her queries or with the cpap if patient has issues like fitting problem, data
downloading, any leakage if occurs then it is advisable to come for the follow-up after using
Split night study is when we do the study in two parts, first part is Diagnostic, second part
In Diagnostic, we check the severity of the problem. In Titration, we decide how much the
patient is required to continue the device.
ACTIGRAPHY Actigraphy is performed using an actigraph, which is a small
device, usually wrapped around the wrist. It identifies movement of the body, indirectly
reflecting the quality and quantity of sleep.