If you dream of separation, then such dream indicates the divide that happened within your personality. Maybe there are doubts about something and you feel like you are unable to put things together. The dream about separation could show actual break up that is happening in your waking life. Maybe the feelings you had to someone are not the same anymore or the friendship you had with someone is also breaking up.
Separation dream meaning
Read more about dreaming of Separation in other dream meanings interpretations.