In our dreams people say many thoers about what triggers or what our dreams when when we sleep. But i see it as that we going into a differnt dimnson, as that the dreams are real places but yet in differnt dimnsons. many people will most likely ask why we cant feel when we are in the differnt dimnsons well we sleep in this dimnson, i Think its beausewe cant transfer enough enegry into our astral body to be able to use basic sense's besides seeing. People that have the same dream may have left a trial of enegry that the we may follow when we fall back into our sleep agein. kinda like when theres a trail of money you would follow it till it ended. now when you have dreams that come like once every year, thats like when your traving in and out of the dimnsons you will find an old trail and do the same as above.