Sleep any way you want with the AirFit N30i nasal cradle mask. The compact N30i design makes it easy to get comfortable while sleeping on your back, side, or even belly. Meanwhile, the unique top-of-the-head hose connection allows you to move around in bed and make adjustments without tugging on your mask or causing your hose to tangle. This mask adapts to even the most active sleepers, maintaining a secure seal throughout the night.