About the variability of insomnic burden in the follow-up of sleep apnea patients with hypoglossal nerve stimulation

Introduction Hypoglossal nerve stimulation (HNS) is considered as a reliable second-line treatment for obstructive sleep apnea (OSA) in patients. A lot of German centers do the aftercare for many years. As insomnia is getting increasing attention in HNS therapy, the variability of insomnia is unclear.