Sleepwalking is another type of non-REM parasomnia where you get out of bed, but people experiencing confusional arousals might not get out of bed at all. Because you dream only during your REM ...

"It's a parasomnia, which means you are half asleep, and it's a non-REM parasomnia, which means you're not in the rapid eye movement, deep sleep," Rudge said. "So if it is a delusion, then that's ...