Regardless of the positioning of the alarm means utilized for alerting the patient, the alarm means 44 issues a continuous alarm stimulus that is adjustable in intensity, and is either directly or indirectly issued by an alarm unit positioned to alert {HEAD ~ the patient} to awaken and to reapply {TAIL ~ the mask} 18 that has been disrupted from a proper seal against the patients face 
to reapply
Regardless of the positioning of the alarm means utilized for alerting the patient , the alarm means 44 issues a continuous alarm stimulus that is adjustable in intensity , and is either directly or indirectly issued by an alarm unit positioned to alert { HEAD ~ the patient } to awaken and to reapply { TAIL ~ the mask } 18 that has been disrupted from a proper seal against the patients face
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