Alice in Wonderland and the Wizard of Oz were inspired by them and neurologists study them; dreams are the mental experiences that occur during rapid eye movement (REM) sleep. Sigmund Freud, the father of psychoanalysis suggested that dreams were repressed longings. Carl Jung thought that they were more closely associated with learning and making sense of what happened during the day. Sometimes, during lucid dreaming, you are aware that you are dreaming and you can control what is happening.
Sleep - we all need it, we never think we get enough of it, and for something that we spend a third of our lives doing, we definitely don't understand it enough. Here are a few of our favourite sleep QnAs that have been keeping you up at night.