Noctrix Health vs Zocdoc
Side-by-side comparison of AI visibility scores, market position, and capabilities
Maker of Nidra, the first FDA-authorized drug-free device for drug-refractory Restless Legs Syndrome. ~$24M ARR; acquired by ResMed for $340M (expected close June 2026).
About
Noctrix Health is a medical device company commercializing Nidra Therapy — the first and only FDA-authorized, drug-free treatment for drug-refractory Restless Legs Syndrome (RLS). The Nidra device uses Tonic Motor Activation (TOMAC) technology to deliver gentle electrical stimulation to the legs, reducing RLS symptoms without pharmaceutical side effects. The FDA granted De Novo authorization in 2023. In August 2025, Noctrix raised $33.5M in combined debt and equity to accelerate U.S. commercialization, reaching an annual revenue run rate of approximately $24M. ResMed signed an agreement in 2026 to acquire Noctrix Health for $340M, with the transaction expected to close around June 1, 2026 — Noctrix''s revenue will be reported within ResMed''s Americas Devices category post-close.
Zocdoc is a patient appointment booking marketplace that lets patients find and book in-network doctors in real time, with insurance verification and same-day availability filters.
About
Zocdoc operates a two-sided marketplace connecting patients with physicians, dentists, and mental health providers who accept their specific insurance and have real-time appointment availability. Patients can filter by specialty, insurance plan, location, and next available appointment, then book online in seconds — eliminating the phone-tag and hold-time historically required to schedule care. The platform verifies insurance acceptance in real time and sends automated reminders to reduce no-shows.
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