What is the definition of Definition Of Somnambulate?

Ah, the term 'omnambulate'! It's a fancy way of saying someone does what you'd call "daydreaming while walking around in bed." But let's get a bit more serious and unsettling about it - here's an example: "The notorious sleepwalker of the 19th century, Charles Dickens, somnambulated his way through the Great Fire of London while juggling books." Talk about a nightmarishly entertaining tale!