Sleep position, patient comfort, and technical performance with two established procedures for home sleep testing.

"Declarations Ethical approvalThe study was designed and performed in accordance to the Good Clinical Practice guidelines and the Declaration of Helsinki (EN ISO 14155) and approved by the ethics committee of the department of human medicine of the Philipps-University Marburg/Germany (study number 105/19). All included persons gave their informed consent prior to their inclusion in the study. Conflict of interestBAS has received research grants, reimbursement of travel expenses, and speaking fees from Sutter Medizintechnik, Neuwirth Medical Products, Philips Healthcare, Itamar Medical, Inspire Medical, and SnooZeal Ltd. His department has received financial support for meetings or symposia from Löwenstein Medical, Inspire Medical, and Neuwirth Medical Products. He serves as a consultant for Itamar Medical und Signifier Medical Technologies. JUS or his department has received research grants, reimbursement of travel expenses, did consultancy work, or received speaking fees from Inspire Medical, Itamar Medical, Jazz Pharmaceuticals, Livanova, Löwenstein Medical, Neuwirth Medical Products, Nyxoah, Philips Healthcare, Somnomedics, Sutter Medizintechnik. RB has received research grants, reimbursement of travel expenses, and speaking fees from Neuwirth Medical Products, Philips Healthcare and Itamar Medical. CEM, HL, and SMB have no conflict of interest. Conflict of interest BAS has received research grants, reimbursement of travel expenses, and speaking fees from Sutter Medizintechnik, Neuwirth Medical Products, Philips Healthcare, Itamar Medical, Inspire Medical, and SnooZeal Ltd. His department has received financial support for meetings or symposia from Löwenstein Medical, Inspire Medical, and Neuwirth Medical Products. He serves as a consultant for Itamar Medical und Signifier Medical Technologies. JUS or his department has received research grants, reimbursement of travel expenses, did consultancy work, or received speaking fees from Inspire Medical, Itamar Medical, Jazz Pharmaceuticals, Livanova, Löwenstein Medical, Neuwirth Medical Products, Nyxoah, Philips Healthcare, Somnomedics, Sutter Medizintechnik. RB has received research grants, reimbursement of travel expenses, and speaking fees from Neuwirth Medical Products, Philips Healthcare and Itamar Medical. CEM, HL, and SMB have no conflict of interest."

"Funding Open Access funding enabled and organized by Projekt DEAL. The study is supported by Itamar Medical and Neuwirth Medical products by providing finger probes free of charge."