To do a adequate assessment and medical history to see if she would qualify for the medication. You cant just Rx a med because it worked for her friend.
Answer:
When you sleep on your back, you may be more likely to be aroused from sleep or wake up during the dream phase, due to things like snoring and undiagnosed obstructive sleep apnea. The following can also increase your chances of experiencing sleep paralysis and hypnagogic or hypnopompic hallucinations: stress or anxiety.