Sleep & dream why do we sleep? Sleep help us to keep and recover our energy Non rem and Rem sleep What is Dream? Dream can occur in all stage of sleep but more often it occurs in REM stage dream is our images, wishes and as Zigmund Froid said: Dream is our wishes which is hide in our subconseious and never become real. The dreamer may be able to control dream characters, narvative and ervironment Sleeping disorders: Sleeping Apnea Insomnia Narcolepsia It makes you sudden sleep when you are acting Somnambulism Nightmares Thank you for your attention!