Dream

I keep having dreams where a snake pops out of no where and chases me until it bites me, then I wake up. I am deathly afraid of snakes, in real life when I see one I usually just get in fetal position and don't move. 2 years ago I did that while a snake was coming straight at me, and I got lucky my older brother picked me up and got me away from there. Anyway, help would be appreciated! Thanks.