Emily Harstone advises this Writing Prompt: The 3 Minute Warm Up to help boost your writing muscles. You’ll need a timer and a blank page or screen, and the ability to type or a writing utensil. That’s it.
This is one I’ve tried personally, just for fun, and I find it useful. It gave me exactly what I needed to start a new short story for Camp NaNoWriMo. By the way, that’s going really well for me this month. Hopefully it’ll start a whole new series of short stories!
Give this one a try if you need to get the blank page to go away. Who knows? You might wind up creating a whole new world for yourself and your readers, in just three minutes.
Keep writing. Don’t give up.