While suddenly and unexpectedly falling asleep during normal waking hours, sarah experiences vivid hallucinations of being in a horrible car crash. the experience is so realistic that she actually feels physical sensations as if the hallucination were real. sarah's most likely diagnosis is

Sarah's most likely diagnosis is narcolepsy. This neurological disorder involves a decreasing  ability to regulate the sleep- wake circles. Its symptoms might include excessive daytime sleepiness which might occur at any time. There might be several causes for this disorder to be trigger, most of the cases has to do with family history and disorders.