dream: [noun] a series of thoughts, images, or emotions occurring during sleep — compare rem sleep.
The past tense and -ed participle of the verb is either dreamed /driːmd/ or dreamt /dremt/. Dreamed is more common in American English. 1. used as a noun A dream is an imaginary series of events that you experience in your mind while you are asleep. In his dream he was sitting in a theatre watching a play. You say that someone has a dream.
1 [count] : a series of thoughts, visions, or feelings that happen during sleep He had a dream about climbing a mountain. You were in my dream last night. Scary movies always give me bad dreams. [= nightmares] “Good night, my love. Sweet dreams .” [=I hope you will sleep well and have pleasant dreams] — see also wet dream 2
A dream is a succession of images, ideas, emotions, and sensations that usually occur involuntarily in the mind during certain stages of sleep. Humans spend about two hours dreaming per night, and each dream lasts around 5 to 20 minutes, although the dreamer may perceive the dream as being much longer than this.