Slide show: Which CPAP masks are best for you?
Photos of nasal CPAP mask that suctions to face and has side straps
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The mask covering the nose supplies air pressure and suctions to your face while the CPAP machine is running. Side straps keep the mask in place.

Might be good if:

  • You move around a lot in your sleep — both the suction of the mask to your face and the side straps help keep it in place
  • Your doctor has prescribed a high air pressure setting — the suction of the mask to your face maintains a good seal, so air doesn't escape
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