Established in Cleveland in 1992, General Sleep Corporation is a medical-device developer known for applying EEG to the study of sleep and sleep disorders. Its Zmachine technology supports clinical and research work, including at-home monitoring, for licensed healthcare and research professionals rather than patients directly. The company holds patents related to insomnia treatment, brainwave analysis, and signal processing.
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NeuroWave Systems IncFormed in 2003, Beachwood-based NeuroWave Systems develops and manufactures brain-monitoring and drug-delivery medical devices for anesthesia, critical care, and military medicine. Its NeuroSENSE® monitor stands apart by displaying independent, real-time measures of anesthetic effect for each brain hemisphere, while the company also develops closed-loop systems intended to automate sedation and anesthesia delivery. NeuroWave is an ISO 13485 medical device company with expertise spanning EEG signal processing, control engineering, and medical-device software.BEACHWOOD, OH
Beacon BiosignalsBeacon Biosignals turns at-home EEG and other biosignal data into AI-driven tools for drug development and sleep diagnostics. Its Waveband headband, formerly Dreem 3S, is FDA 510(k)-cleared and supports clinical-grade sleep monitoring outside the lab, while the company’s platform helps research teams identify biomarkers and measure treatment effects. Beacon says its technology has supported more than 40 clinical trials, analyzed over 2 million hours of EEG, and completed 500,000 home sleep tests.CLEVELAND, OH
DormotechDormotech develops wireless hardware, clinical software, and cloud infrastructure for comprehensive sleep diagnostics in both patients’ homes and attended laboratories. Its DormoVision X™ platform connects 38-channel home and in-lab polysomnography within one review and reporting workspace, with the company reporting 96.6% agreement with traditional attended Type I PSG in clinical validation. Dormotech also offers a research platform for multichannel sleep data and machine-learning analysis.YOUNGSTOWN, OH
Tanzen MedicalFounded in 2016 through a collaboration between UMBC engineering researchers and Johns Hopkins sleep physicians, Tanzen Medical develops remote-monitoring technology for diagnosing and managing sleep movement disorders. Its RestEaze system combines an ankle-worn sensor, mobile app, and cloud analytics to characterize leg movements across multiple nights at home rather than relying only on a single in-lab study. Tanzen has received FDA Breakthrough Device Designation for RestEaze and has sold the system in limited quantities for sleep research.SEVERNA PARK, MD