Effectiveness of Wearable Digital Therapeutics in Improving Sleep Outcomes Among Individuals With Insomnia: Systematic Review and Meta-Analysis of Randomized Controlled Trials.

Journal of medical Internet research·September 11, 2026·PMID 42727109

Why it matters

Wearable sleep devices are widely used by patients, but evidence for their standalone efficacy in insomnia has been unclear. This analysis clarifies that wearables may offer selective benefits on specific sleep parameters, not global insomnia severity, helping clinicians set realistic expectations and consider them as adjuncts rather than primary therapy.