If you ask me how I deal with my depression then it would be talking with someone trustworthy. I understand those days you don’t feel like doing anything and that is totally okay giving yourself space is also one kind of healing I believe because staying alone is like processing your thoughts. You can talk to yourself as well.
The best way to overcome depression is leaving your room getting out of it and going to vacation. Spending time with nature can heal a lot of your mental health. The sound of water flowing, birds chirping it is like best therapy for me. Even looking at the flower can give positive energy.