Accuracy Assessment of Oura Ring Nocturnal Heart Rate and Heart Rate Variability in Comparison With Electrocardiography in Time and Frequency Domains: Comprehensive Analysis

• Main Authors: Rui Cao (Author), Iman Azimi (Author), Fatemeh Sarhaddi (Author), Hannakaisa Niela-Vilen (Author), Anna Axelin (Author), Pasi Liljeberg (Author), Amir M Rahmani (Author)
• Format: Book
• Published: JMIR Publications, 2022-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

BackgroundPhotoplethysmography is a noninvasive and low-cost method to remotely and continuously track vital signs. The Oura Ring is a compact photoplethysmography-based smart ring, which has recently drawn attention to remote health monitoring and wellness applications. The ring is used to acquire...