A rare sleep disorder characterized by acting out dreams during REM sleep is linked to the movement disorder Parkinson’s disease, reports MedPage Today.
“It is widely believed that RBD is one of the earliest markers of Parkinson’s,” she told MedPage Today. “Some people convert after a few years and some convert after many decades. It’s possible that everyone with RBD would develop Parkinson’s if they lived long enough, but we don’t yet know this.”
