<p>Supplement 1. Conflicts of Interest</p><p>Name Conflict of Interest Prof. Dr. Thomas Verse TV has received research grants, reimbursement of travel expenses, and speaking HNO-Abteilung, Asklepios Klinikum Harburg, consulting fees from: Hamburg ReVent Medical, Inspire Medical Dr. Alfred Dreher none Universitäts-Klinik für HNO-Heilkunde, Klinikum Großhadern, München Dr. Clemens Heiser CH has received research grants, reimbursement of travel expenses, and speaking Hals-Nasen-Ohrenklinik und Poliklinik Klinikum consulting fees from: rechts der Isar der Technischen Universität Inspire Medical Systems, Heinen & Löwenstein, Sutter Medizintechnik, NMP München Neuwirth Medical Products GmbH, Night Balance PD Dr. Michael Herzog MH has received research grants, reimbursement of travel expenses, and speaking Klinik für HNO-Krankheiten, Kopf- und consulting fees from: Halschirurgie, Carl-Thiem-Klinikum, Thiemstr. Inspire Medical Systems 111, 03048 Cottbus </p><p>Dr. Kerstin Rohde none HNO-Praxis an der Oper, Dammtorstrasse 27 20354 Hamburg Dr. Nicola Rothmeier none HNO-Gemeinschaftspraxis Dr. M. Teschendorf/ Dr. N. Rothmeier, Gelsenkirchen Dr. Joachim T. Maurer JTM has received research grants, reimbursement of travel expenses, and speaking Universitäts HNO-Klinik Mannheim consulting fees from: Celon AG, Sutter Medizintechnik, Neuwirth Medical Products, Weinmann GmbH, Restore Medical, Atmos GmbH, Heinen & Löwenstein, MPV Truma GmbH, Fachlabor Dr. Klee, Pfizer GmbH, Medtronic GmbH, Resmed GmbH Prof. Dr. Wolfgang Pirsig. none Mozartstr. 22/1; 89075 Ulm Prof. Dr. Alexander Sauter none HNO Praxis Moser Gehrking und Partner, Ludwigstr. 7, 86150 Augsburg Dr. Armin Steffen AS has received research grants, reimbursement of travel expenses, and speaking Universitätsklinikum Schleswig-Holstein, Klinik consulting fees from: für HNO-Heilkunde Resmed GmbH, Inspire Medical</p><p>Prof. Dr. Boris A. Stuck BAS has received research grants, reimbursement of travel expenses, speaking and Department of Otorhinolaryngology, Head and consulting fees from: Neck Surgery, University Hospital Essen Aspire Medical, Fisher&Paykel Healthcare, Celon AG Medical Instruments, Olympus, Sutter Medizintechnik, Fachlabor Dr. W. Klee, Neuwirth Medical Products, Philips Healthcare, Heinen&Löwenstein, Alaxo GmbH, Tomed Dr. Toussaint GmbH, MEDA Pharma Gmbh, Inspire Medical, 3NT Medical, and PCI Biotech. Dr Stefan Wenzel SW has received research grants, reimbursement of travel expenses, and speaking HNO-Abteilung, Asklepios Klinikum Harburg, consulting fees from: Hamburg Resmed GmbH</p>