During the day, Lawrence Neumann was a mild-mannered man, considerate, kind and loving to his wife of many years, Bonnie. In the middle of the night, as they tried to sleep, he became someone else, ...

Feeling extra snappy? A lack of sleep might have something to do with it.

"Parasomnias" is a term that covers a range of sleep disorders and disturbances, from common occurrences like sleepwalking to the truly bizarre, like "exploding head syndrome." If you experience any ...

Most of us have a decent working theory of what being tired looks like. Heavy eyelids. The urge to mainline coffee before 9 a ...

Add Yahoo as a preferred source to see more of our stories on Google. Many people who experience sleep paralysis see frightening hallucinations some call "sleep paralysis demons." - Illustration by ...

Sleep disorders can affect people of any age. Delayed sleep-wake phase disorder, restless legs syndrome, and insomnia are a few examples of disorders that may disrupt sleep cycles in teens. Sleep-wake ...

Systemic lupus erythematosus (SLE) can have links with sleep disorders such as insomnia and obstructive sleep apnea. Lupus can also make you wake up more in the night. If lupus is affecting the ...

(CNN) — Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. (CNN) — Sign up for CNN’s Sleep, But Better newsletter series. Our ...

(CNN) — 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 why. He ...