Most of us have been frightened at some time by scary monsters in our nightmares, but that fear pales in comparison with the real mysterious and menacing figure who has people around the world ...

Similarly, visions of shadow people — and the Hat Man in particular — have been linked to incidents of sleep paralysis, which typically occurs while the brain is in the rapid eye movement (REM ...

People with RBD should see a neurologist. Sleep paralysis is when the inability to move your muscles happens outside of REM sleep, usually just before or after entering dream sleep. Many people ...

People with RBD should see a neurologist. Sleep paralysis is when the inability to move your muscles happens outside of REM sleep, usually just before or after entering dream sleep. Many people ...

Some people experience a phenomenon called sleep paralysis if their sleep cycle is disrupted. When this happens, they feel as if they are conscious but cannot move. Other common symptoms of sleep ...

As many as 1 in 20 people will experience vivid hallucinations while falling asleep or waking up, while also completely unable to move. Sleep paralysis happens during REM (rapid eye movement ...