Dreams can be fun, scary or just plain weird. We typically dream for around two hours a night, but we usually don’t remember what we dreamt about. So what happens? We asked dream researcher Tore Nielsen to help us find the answer.

Got a question that’s haunting your dreams at night? Send it to us at BrainsOn.org/contact, and we won’t rest until we find an answer!

See omnystudio.com/listener for privacy information.