I've noticed that on some days, you just don't have inspiration to come up with new ideas for posts. I've started writing down all of my ideas using the 'Keep' app for Android whenever they pop up in my head. It's something I can recommend to everyone, you'll always have a backlog of ideas to work with.
Usually I would have forgotten most of my ideas that I had during the day, but by writing everything down, I actually have an excess :P
Thanks, too..for the tips...