Inspiration sources

I'd need more info to help you out, but it really depends...
Sometimes I have great ideas out of nowhere, sometimes not.
I noticed that, two or three years ago, I was so obsessed with getting better with my technique that I totally stopped reading, watching stuff and listening to music.
Inspiration comes in various forms but I'd suggest to get out of your comfort zone and check things you'd most likely ignore-sometimes it might be good, sometimes it might be poop.