Nox Health Acquires Somryst from Pear Therapeutics

ResMed Acquires Somnoware

July 5, 2023

Healthcare Services

ResMed has acquired privately held Somnoware, a U.S.-based provider of cloud-based sleep and respiratory care diagnostics software, to expand its upstream sleep management capabilities and better connect diagnosis workflows with ResMed's treatment ecosystem. ResMed plans to retain Somnoware staff, integrate the platform into its solution portfolio while keeping it open and device-agnostic, and did not disclose material financial terms.

Vestar Capital Partners Invests Growth Capital in Nox Health

November 30, 2022

Healthcare Services

Vestar Capital Partners has made a strategic growth investment in Nox Health to accelerate development of the company's sleep diagnostic technology and expand adoption of its value-based sleep management solutions among employers and health plans. Financial terms were not disclosed; the investment will support product and service development and broader market expansion.

Sunrise Acquires Dreem Health to Expand U.S. Sleep Care Presence

December 12, 2024

Healthcare Services

Belgium-based sleep diagnostics company Sunrise has acquired California-based virtual sleep clinic Dreem Health to accelerate its U.S. expansion and add telehealth diagnosis and treatment capabilities. By pairing Sunrise's at-home sleep testing technology with Dreem Health's licensed providers and insurer partnerships, Sunrise aims to scale nationwide access to sleep care.

Omada Health Acquires Physera

May 19, 2020

Healthcare Services

Omada Health has acquired Physera, a digital musculoskeletal (MSK) care provider, to add virtual physical therapy and MSK management to Omada’s suite of digital chronic-care programs. Omada raised growth capital from Perceptive Advisors to finance the acquisition and accelerate integration of Physera’s telehealth and digital exercise therapy capabilities into its offerings for employers, health plans, and consumers.

Tempur Sealy (Somnigroup) Acquires Mattress Firm

May 9, 2023

Retail

Tempur Sealy International, Inc. signed a definitive agreement to acquire Mattress Firm, the U.S.'s largest mattress specialty retailer, in a transaction first announced at an approximate $4.0 billion enterprise value and completed in February 2025 with a reported total purchase price of roughly $5.0 billion. The deal was funded with approximately $2.7 billion of cash and the issuance of 34.2 million Tempur Sealy shares; following closing Tempur Sealy renamed itself Somnigroup International and will operate Mattress Firm as a decentralized business unit while divesting a portion of retail locations and the Sleep Outfitters business to MW SO Holdings (Mattress Warehouse).

Alkermes plc Acquires Avadel Pharmaceuticals plc

February 12, 2026

Pharmaceuticals

Alkermes plc completed its all-cash acquisition of Avadel Pharmaceuticals plc under an Irish High Court‑sanctioned scheme of arrangement, adding Avadel's FDA‑approved product LUMRYZ to Alkermes' commercial portfolio. The deal accelerates Alkermes' entry into the sleep medicine market, is expected to be accretive in 2026, and includes Avadel's clinical candidate valiloxybate.