The hidden magic of hypoglossal nerve stimulation therapy: organizing the sleep surgery research community The hidden magic of hypoglossal nerve stimulation therapy: organizing the sleep surgery research community Download Utility of cyclic variation of heart rate score as a screening tool for sleep-disordered breathing in patients with heart failure A brief behavioral treatment for unresolved insomnia in adolescents: a single-case multiple baseline pilot study, evaluating self-reported outcomes of efficacy, safety, and acceptability