Dreams about White snakes ..seeing or Being bit by snakes and spiders

So My husband wakes up last couple nights ago with a dream of A big white snake and A spider that was blue and black bitting him he went to hospital they was not poisonous he came back sat in car for a few debating if he wanted to go bk in house. When he got out car He heard a noise of a big cat like a cougar or mountain lion makes when its out of breath Or breathing but he didn't see it he heard it so a got bk in car lol idk what all that means but the crazy thing he keeps having snake dreams..and dreams of 2 of everything and baby or babies..

And other day I had dream to of a altercation I was having with some man I fell and seen a big white and a yellow snakes in grass in a tank looking at me I woke up.. What does that mean..