Astral projection

i want to know about my dreams which i seen yesterday i seen that i am at the school and one girl and i talk to her as normal then we flirt for some movement and then i slept and when i woke up then i am there and then i seen i am at the another place sleeping with my brother and then i woke up in my real body what is this dream symbolise to me i am alittle bit confuse about my dreams