Feasibility Study of At-Home EEG Monitoring for Hypersomnia

Inclusion Criteria: * Patients must be a Kaiser Permanente member * Patients must be ≥ 6 years old. * Patients must have an indication for Multiple Sleep Latency Test for a diagnosis of hypersomnia * Patients are able/willing to consent and willing to undergo the electrophysiological routine assessments described in the protocol * Patients do not meet any exclusion criteria Exclusion Criteria: * Patients under 6 years old. * If a patient is taking a wake promoting medication and is unsafe to withdraw the medication during the 2 weeks prior to the in-lab Polysomnography/Multiple Sleep Latency study * Patients suffering from mental and/or physical disorders that could interfere with the study protocol or the interpretation of the results (exclusion based on clinical judgment) * Shift workers or patients working unusual hours will be excluded * Patients not able to sign an informed consent form