i had dizziness for 7 years it all started when i got up from bed now i can't sleep on my left side i feel dizzy all the time i hear crackling in the ears and get blurred vision and see floaters in the eyes the doctor i saw said it is the crystals in the ears they got stuck on one side and he said to move my head sideways and try and lay the left side to move on can you tell me what you think it could be