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> 31%

of European population suffer from sleep disorders
including Obstructive Sleep Apnea, insomnia, Restless Leg Syndrome, Nacrolepsy and REM sleep behavior Disorder

Eur J Neurol. 2026

> 50%

of Asians aged 40+ in Singapore, Malaysia, South Korea, China, suffer from Obstructive Sleep Apnea

Lancet Respir Med 2019

46%

76.6 million people aged 30-69 in USA have OSA by 2050

Lancet Respir Med 2025

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Medical & Healthcare professional

Belun’s flagship product, Belun Sleep System, comprises a FDA 510(k) cleared wearable ring and proprietary deep-learning algorithms, which is FDA 510(k) cleared for obstructive sleep apnea diagnosis and sleep stages. The solutions are now deployed in the U.S., New Zealand, Thailand, Malaysia, Taiwan, and Hong Kong for sleep health diagnosis and evaluating treatment efficacy for patients with chronic diseases.

Belun® Sleep System

Belun® Sleep System BLS-100 is FDA 510(k) cleared for home sleep apnea test. It comprises Belun®Ring to collect data at night that medical professionals obtain the sleep reports with AHI and sleep stages of patients in a few minutes and facilitate patient care.

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Our products

Discover the mysteries of sleep and health

Belun provides evidence-based and medical-grade wearable devices and proprietary AI-powered open platform to allow medical professionals to provide personalized care and individuals to self manage their wellness through the AI predictive tool.

Belun® Sleep System

The Belun Mobile App shows sleep data to medical professionals to remotely assist patients with multi-night analyses.

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Belun® Ring

Belun® Ring is a medical device collecting quality sleep data at night. It is the only sleep system that can provide an autonomic nervous system response that assists physicians in diagnosing OSA/insomnia, personalizing treatment options, and evaluating its efficacy.

It measures :

  • Oxygen Saturation (SpO2)
  • Pulse Rate (PR)
  • Apnea Hypopnea Index (bAHI)
  • Sleep Stages: Awake, REM, NREM
  • Autonomic Nervous System (ANS) Response
  • Actigraphy

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Blog

Informative, helpful, educational sharing about Belun, HST, AI, wellness & technology

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Customer Reviews

Belun is the only product in the market with FDA 510(k) clearance on both device & AI, and they are a game changer. The sleep stage is FDA cleared, providing an accurate picture of patient sleep architecture. I can cover patients with both OSA & insomnia who needs multi-night analyses. The impact is profound to my clinic & patients.

— Lakeview Sleep Clinic, California, U.S.

The Belun® Ring Triage service demonstrated efficacy in reducing waiting time for sleep assessment & consultation, from a median of 104 weeks initially at our local hospitals to current 45 weeks.

— Dr. Betty Young & Mr. Issac, Clinical Psychologist - 2023 Hong Kong Hospital Convention

We are privileged to have conducted this validation study which shows the Belun® Ring is a reliable diagnostic tool for OSA in CVD patients - the cohort known to have a high prevalence of OSA. The result was publisehed in the Journal of Hypertension 2023.

— Dr. Ronald Lee, National University Heart Centre, Singapore

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