What's happening with me? can anyone help me ?

Hi, I just needed guidance. I am doing meditation from last few days. Initially i use to see dots of white light when I close my eyes then one day i saw flame shaped thing just above my right eye and it changed colours i could clearly see colours initially it was yellow then orange then red then darkblue then dark blue with purple boundary after which i had headache for whole day. Now after that incident 3 days later i mean today i woke up at 4.30 ... i did my casual work with meditation then i was relaxing and i guess i slept around 8 in morning i saw a visible door of light and black shadow entering it. When I woke up i could sense severe vibrations in my body when i opened my eyes for 10 secs my head was swirling round. Then after that i called my friend again i slept then i was dreaming something useless and i saw a circle opened in third eye area and i could peep into that it was like i was dreaming in a dream . I saw through it I seen a long bed probably double bed it was above which there was a window and beside the bed there was a table and chair. After that i was awakened . What's going on with me? One time i also sensed as if someone invisible passed by me when i was preparing tea because my heart beat went up suddenly and i had strong sense but no one was there !