Oura Health (Finland, $223.3M raised)
Oura's data-driven wearable ring enables users to monitor key biometric signals including sleep cycles, heart rate variability, and recovery trends—empowering both consumers and clinicians with actionable insights into sleep quality.
Apnimed (USA, $207.8M) Focused on pharmacological solutions, Apnimed is developing novel oral therapies for obstructive sleep apnea and related conditions, offering an alternative to device-based interventions.
Eight Sleep (USA, $162.1M) Eight Sleep integrates biometric tracking and thermal regulation into its smart mattress technology, positioning itself at the intersection of sleep science and performance optimisation.
Dreem (France, $57M) Dreem's EEG-enabled headband uses real-time brainwave analysis and auditory stimulation to enhance sleep quality—applying clinical neuroscience in a consumer-ready format.
Onera (Netherlands, $54.4M) Onera has developed wireless medical-grade sleep diagnostics for at-home use, reducing the need for in-lab sleep studies and increasing accessibility for early detection of sleep disorders.
Other innovators in the 2025 ranking include:
BetterNight (USA) – telehealth for sleep disorder treatment
ChiliSleep (USA) – temperature-regulating sleep systems
Sunrise (Belgium) – AI-powered, single-sensor sleep diagnostics
Meditopia (Germany)– digital mental wellness and mindfulness
HoneyNaps (South Korea) – biosignal monitoring to support clinical decisions
Huckleberry (USA)– AI sleep plans for children
Acurable (UK) – at-home respiratory health monitoring
Sleep Data (USA) – virtual care for sleep and fatigue
Arcascope (USA) – circadian rhythm optimisation
Pulsetto (Lithuania)– vagus nerve stimulation for stress and sleep
Neurobit Technologies (Singapore) – AI infrastructure for sleep-focused devices
NightWare (USA) – FDA-cleared therapy for PTSD-related nightmares
Strategic Implications From digital therapeutics to neurotechnology and remote diagnostics, the sleep-health sector is attracting strong cross-border investment and healthcare interest. These 19 companies exemplify how sleep science is converging with innovation, reshaping both consumer wellness and clinical care.
