​Sleep Disorders Center of Santa Maria

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 A split polysomnography  (SNPSG) is a test that is usually ordered for adults as a first-time study or if a patient has not been evaluated for several years and does not use their therapy at night.  The SNPSG is essentially a combination of a diagnostic polysomnogram and a titration polysomnogram done all in one night.    This study monitors many body functions including brain activity (EEG), eye movement (EOG), muscle activity (EMG) and heart rhythm (EKG) during sleep.  If the patient qualifies and presents moderate or severe sleep apnea during the first part of the night, the patient will be placed on continuous Positive Airway Pressure (PAP) therapy in an attempt to determine the optimal pressure and appropriate CPAP mask that will eliminate sleep disturbances. 

SPLIT NIGHT POLYSOMNOGRAM