I've gone through few web pages and videos on YouTube and I'm 100% sure that my sleeping position is just wrong. Basically I'm kind of 'twisted' - upper part is

I've gone through few web pages and videos on YouTube and I'm 100% sure that my sleeping position is just wrong. Basically I'm kind of 'twisted' - upper part is lying on side but hips and below are like lying on stomach. So even if my spine problem is not caused by that (I think it is), I want to learn proper sleeping position to avoid that factor now or in the future.