The alarm means directs at least one stimulus to {HEAD ~ the patient} for alerting and waking {TAIL ~ the patient} 
for waking
The alarm means directs at least one stimulus to { HEAD ~ the patient } for alerting and waking { TAIL ~ the patient }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL