The study is a randomized open parallel group intervention study. He and i were both stunned to learn that i had only one apnea while wearing the collar. Hauser Hatto Neck Brace For Sleeping Soft C Spine Collar For And wait for it 10 hours in two shifts on the second night. Cervical collar for sleep apnea . I ve had a handful of patients that have reported similar results using soft and hard neck braces. Using a cervical collar contour pillow for osa edited. 1 continuous positive airway pressure cpap is frequently prescribed in patients with osa and is effective in reversing hypoxemia and upper airway obstruction. Here s a copy of my response to him. The first night with collar and cpap i slept 6 1 2 hrs in two periods of sleep. The collar could act as a chin strap it stops your mouth dropping down but you can lift your top lip up. By using a soft cervical collar or other means to prevent chin tucking as described in this document you understand that you are perso