Built for the Lab, Ready for the Future
A fully wireless in-lab polysomnography system.

Discover compact, lightweight, and tether-free polysomnography for patient comfort in the lab. Engineered for simplicity and efficiency, the Nox A1s is the choice for modern sleep centers prioritizing comfort, operational ease, and advanced technology.
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Why Choose the Nox A1s?
Building on the success of our acclaimed home sleep test, the Nox T3, we proudly introduce the Nox A1s – redefining polysomnography
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The Nox A1s system meets the AASM standards for full in-laboratory polysomnography testing.
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No need for an external headbox, all EEG channels for full PSG tests are integrated into a single head cable.
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Comfort is prioritized with tether-free design, allowing the patient to move freely in bed and get up during the night.
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The Nox A1s system is designed to increase lab efficiency with a shortened hookup time and tether-free design.
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The Noxturnal app is a powerful tool for bedside control, offering bio-calibration, impedance checks, review of signal quality, and viewing of live traces.
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The Nox A1s shows reliable, high-quality signals in both polysomnography Type I in-lab setting and for at-home unattended, Type II polysomnography studies."¹
1: Yoon, Dae Wui, et al. "Evaluation of the feasibility and preference of Nox-A1 type 2 ambulatory device for unattended home sleep test: a randomized crossover study." Sleep and Biological Rhythms 17.3 (2019): 297-304
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Powerful and User-Friendly Software
AI-Powered Platform with Noxturnal
Noxturnal is a single-software platform that stands as a testament to our commitment to simplifying and enhancing the workflow in sleep labs.
Noxturnal brings to your fingertips full-featured raw data analysis, scoring, and powerful reporting capabilities, all within an intuitive recording management system.
Our integrated AI-powered analysis, including deep learning for arousal detection and sleep staging, eliminates the need for additional AI scoring services. Built from extensive, diverse datasets and validated on high-quality Nox signals.

Mighty Diagnostic Power in One Small Package
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Nox Medical's polysomnography system, the A1/A1s, has been used an estimated 13,572 times in 120 scientific articles. These articles form a substantial scientific evidence base for our products and have now been meticulously reviewed by our product research team.
Receive a Product Demo
For more information about the Nox A1s, please contact our sales team
About Nox Medical
Nox Medical is the global leader in the science of sleep diagnostics, providing medical device technology and data analytics software to thousands of healthcare providers in the United States and globally. Key product lines include Nox A1s in-lab PSG system with ambulatory capabilities, Nox T3s home sleep test, and Noxturnal single platform software with validated auto-scoring capabilities.
Since its founding, Nox Medical has demonstrated a steadfast commitment to advancing sleep science, technology, and care.

