How do you make weakness into strength

I don’t feel strong I feel weak, I don’t wanna feel like this. Everyday I’ve just been sleeping at 7 am waking up at 6 pm just rotting away in my bed thinking about it, I’ve recently gotten the motivation to finally take a shower and brush my teeth but I feel like trash and unfulfilled, I need something useful to past the time like a hobby. I’ve just been stuck in this loop of hyper fixation and emptiness which is ruining my whole routine