For more on the nature of sleep, go here.] Scientists believe that dreaming plays a role in the consolidation of memories, ...

Hallucinogens like DMT, psilocin, and LSD might rewrite the rules of sleep, blurring the line between dreams and reality.

New research highlights how smartphones are transforming memory science by capturing real-world data on sleep, emotion, and ...

REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.

Dear Dr. Roach: My question to you is about an affliction I have struggled with since childhood. Apparently, it is called ...

People with temporal lobe epilepsy or post ... serotonin and other neurotransmitters involved in the control of sleep and dreaming. Cocaine and the amphetamine derivatives that alter the release ...

Certain stages of sleep – deep sleep and dream sleep – appear to contribute to brain health in ways that affect risk of Alzheimer’s disease, a new study says. People who get less deep sleep or dream ...

Do you remember your dreams? I don't. But in "The Dream Hotel," a new book by Pulitzer finalist Laila Lalami, dreams are ...

People who get less deep sleep and dream sleep are more likely to have smaller volumes in critical brain regions These brain changes are in areas that have been linked to Alzheimer’s disease ...