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ProSomnus, a maker of a discreet sleep apnea device, secured $35 million from Catalio Capital, CEO Len Liptak tells Axios Pro exclusively.

The big picture: Mirroring broader digital health trends, sleep medicine is shifting toward remote monitoring and easy-to-use devices.

Follow the money: In addition to the $35 million, Catalio will provide ProSomnus with an additional $3 million based on its meeting certain operational milestones. 

Funds will go toward additional tools for sleep diagnostics, remote monitoring and clinical research.

Catalio's Nicholas von Guionneau joins ProSomnus' board as an observer. 

Catch up quick: ProSomnus filed for Chapter 11 bankruptcy in 2024 following a 2022 SPAC deal valuing it at $168 million. 

The company hit break-even in Q4 2025, Liptak says, adding "now we just need to get to those Q4 levels on a sustained basis."

How it works: San Francisco-based ProSomnus develops mandibular advancement devices, or custom mouthguard-like oral appliances. 

They're used to treat snoring and mild-to-moderate sleep apnea by holding the lower jaw forward to open the airway. 

ProSomnus offers includes remote monitoring and data analytics tools to track adherence and outcomes, for ongoing insight into its effectiveness.

The devices are FDA-cleared and reimbursed by commercial insurers, Medicare and TRICARE. 

To receive a ProSomnus device, a clinician captures photos of a patient's jaw and throat, then sends those to the company to build a personalized device based on the patient's needs.

What they're saying: "We're doing personalized medicine at scale," Liptak says.

Catalio's von Guionneau said sleep medicine is "rapidly shifting toward data-driven, patient-preferred therapies," and he positioned ProSomnus as leading that transition.

Between the lines: Oral appliance therapy isn't new. ProSomnus' differentiator is a connected sensor-enabled layer and push for rigorous comparative data.

Reality check: Despite its bulky mask and straps, a continuous positive airway pressure (CPAP) machine remains the clinical gold standard for many moderate-to-severe sleep apnea patients.

What we're watching: Whether data integration and monitoring can meaningfully improve outcomes — and persuade payors to favor these devices over lower-cost alternatives.

Exclusive: ProSomnus lands $35M for non-CPAP sleep tech

Mirroring broader digital health trends, sleep medicine is shifting toward remote monitoring and easy-to-use devices.

Illustration of a pillow in the shape of a hundred dollar bill on a bedspread

ProSomnus, a maker of a discreet sleep apnea device, secured $35 million from Catalio Capital, CEO Len Liptak tells Axios Pro exclusively.The big picture: Mirroring broader digital health trends, sleep medicine is shifting toward remote monitoring and easy-to-use devices.

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Exclusive: ProSomnus lands $35M for non-CPAP sleep tech

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