At its core, sleep paralysis is caused by a disruption in the REM cycle. However, deeper neurological and psychological factors can also contribute. People with anxiety disorders, post-traumatic ...

Sleep paralysis is a freaky phenomenon that has inspired ghost and alien stories. Fortunately, there's a scientific explanation for why it happens and ways to prevent it.

ABC News medical correspondent Dr. Darien Sutton answers your health questions and shares tips for adjusting to daylight savings.

Patients who experience sleep paralysis may find themselves unable to move or speak and may have difficulty taking a deep breath.

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.

While the aforementioned treatments can help reduce the frequency or length of sleep paralysis episodes, there isn’t yet a gold-standard treatment that can stop an episode once it’s happening.