Scientists have discovered how damage to the myelin sheath—the insulating layer around nerve fibers—affects brain activity ...

Although sometimes portrayed in film and television as simply "falling asleep without warning," the reality of narcolepsy is ...

Trouble sleeping may be the least of your worries if you’re dealing with fatal familial insomnia (FFI), a rare and incurable, ...

When study participants took an attention test while sleep-deprived, their brain scans showed signs of a sleep-like state linked to the brain’s nightly cleaning process. This could be the brain’s ...

New research suggests that auditory hallucinations in schizophrenia may come from a brain glitch that confuses inner thoughts for external voices. Normally, the brain predicts the sound of its own ...

Hallucinations are unreal sensory experiences, such as hearing or seeing something that is not there. Any of our five senses (vision, hearing, taste, smell, touch) can be involved. Most often, when we ...

We spend nearly a third of our lives asleep, yet sleep is anything but wasted time. Far from being passive downtime, it is an active and essential process that helps restore the body and protect the ...

The truth is that we love learning weird things. It becomes even more fascinating when those weird things involve human behavior and the strange ways our bodies work without us even realizing it.