Study of Efficacy of Digital Cognitive Behavioral Therapy With Wearable Device for Insomnia

WELT-IP (an investigational digital therapeutic) is an CBT-I based intervention designed to treat insomnia, conducted in 6 sessions. It is a comprehensive program delivering sleep restriction, stimulation control, muscle relaxation, cognitive treatment, and sleep hygiene education. Main features are sleep diary, sleep reports, daily lessons of CBT-I, muscle relaxation techniques, and cognitive intervention through chatbot. By using WELT-IP simultaneously with wearing an Apple Watch/Galaxy Watch and Oura Ring, sleep and environmental data can be collected.