Bad Dreams - (Horror/ Psychological) - 1988

Unity Field, a "free love" cult from the '70s, is led by Harris (Richard Lynch), its 'preacher' . Who decides that everyone in the commune has to die, in a fire he starts.
All the cultists accept Harris's' judgement' and perish together,
However young Cynthia (Jennifer Rubin) who rejected Harris, is spared by chance and survives.
She is taken to hospital where she falls into a coma. Thirteen years later, she wakes up, but the nightmare of Unity Field remains buried in her mind, as she tries to come to terms with what happened, and that 13 years of her life are missing.

But when other patients in her trauma recovery group, start killing themselves, Cynthia begins having visions of Harris, stalking the hospital to reclaim her
But is it really Harris, back from the dead ?