I read "How to change your mind" last year and I tried this. It worked very well.

As many studies indicate, it temporarily disables/decreases DMN (among other effects) which is exactly what a depressed person would need: break the vicious self-destructive circle. Only then I could start making hard but necessary decisions and change my life completely. Depression is nowhere to be seen but that's because I actually changed things and didn't become complacent.

I'd not recommend to do it without spending a good time doing research. The aforementioned book is a great resource.