Determine the accuracy of ApneaLink Plus in separating Apneas into Obstructive Apneas, Mixed Apneas and Central Apneas.~Determine the accuracy of ApneaLink Plus in scoring Hypopneas according to the 2008 guidelines of the AASM = American Academy of Sleep Medcine.~Determine whether patients can start and stop the recorder and are able to attach the additional effort sensor by themselves using the patient instruction sheet
The purpose of this study is to investigate the following topics:~Determine the accuracy of ApneaLink Plus in separating Apneas into Obstructive Apneas, Mixed Apneas and Central Apneas.~Determine the accuracy of ApneaLink Plus in scoring Hypopneas according to the 2008 guidelines of the AASM = American Academy of Sleep Medcine.~Determine whether patients can start and stop the recorder and are able to attach the additional effort sensor by themselves using the patient instruction sheet