The present invention relates to a CPAP device is convenient to use and significantly reduces the burden on a patient. The present invention is provided with a blowing unit (10) that houses a fan having a fluid dynamic bearing, and a hose (20) for connecting the blower unit and a nasal cannula or mask (200). The blowing unit (10) is supported by something other than the hose (20) at a location separated from the head (310) of a recumbent patient (300), and in response to a change in position while the patient (300) is lying down, the blowing unit (10) receives force via the hose (20) and changes position or orientation.