Medically reviewed by Sanja Jelic, MD Key Takeaways Sleep paralysis happens when you wake up but can't move for a few minutes ...

Medically reviewed by Brigid Dwyer, MD Key Takeaways Facial nerve paralysis often causes weakness on one side of the face.Bell's palsy is a common cause of facial nerve paralysis and is linked to ...

Sleep paralysis is a condition that typically occurs when an individual is either falling asleep or waking up. With sleep paralysis, you regain awareness but can't move. [iStockphoto] For a healthy ...

Many people who experience sleep paralysis see frightening hallucinations some call "sleep paralysis demons." - Illustration by Leah Abucayan/Alberto Mier/CNN Baland Jalal lay in bed terrified, ...

Dear Doctors: A few weeks ago, one side of my dad’s face became paralyzed. He couldn’t close his left eye, and the left side of his mouth wouldn’t work. We thought it was a stroke, but the ER doctors ...

BERKELEY, Calif. — Baland Jalal lay in bed terrified, experiencing his own real-life horror film. Newly awake, the 19-year-old could see his surroundings but couldn't move or speak, and he didn't know ...

A UC San Francisco doctor reviews microscopic imagery in February 2017 on enterovirus D68 and its effects on children. (Paul Chinn / San Francisco Chronicle via Getty Images) A respiratory virus that ...