ANy tips on using Fung Shui in a barn attic style bedroom with no windows?

Hi! I dont currently own or rent my own home-- due to money issues- I live in our old upstairs bedroom that would be the size of two bedrooms-- Its's just my room and the attic-- no other rooms upstairs.

Does anyone have any tips or ideas to utilize Fung Shui in my room- to create a restful harmonious healthy space to rest in after work?