During REM sleep, your heart rate increases, your blood pressure elevates, and your eyes move. REM sleep may also be the time when your brain processes emotions and solidifies memories.

Scientists have long noted eerie parallels between psychedelic trips and rapid eye movement (REM) sleep, the stage during which you dream. Some even suggest psychedelics could induce a “waking ...

REM sleep is characterized by increased brain ... And so, continuous ringing of alarms can trigger a “fight or flight response” every time they go off, which can be deemed stressful to the ...