I have had a dream about a ghost?

Well I had a dream about a family of 5 and I have a family of 3, we were in this house and there was noises upstairs and someone saying oh that was a lovely sleep and yawning, then it stole 'my brother Luke' (in the dream, i am an only child) marker so my 'little sister Loren' went up with him, then she ran down the stairs and said 'Luke's hurt!' we went upstairs and he was dead, the ghost was dressed in camouflage like someone in the army, he magically went outside so we all went outside and he chased us, i told Loren to hurry up and get in the house, i was the last person to get in the house but the ghost dragged my legs and whispered, your dying Hannah, there is no escape, i remember waking up with my hands around my ears! i was so scared, whats happening?