When your mind feels blank and all you want to do is zone out, it’s more difficult but not impossible to experience a creative breakthrough. By putting yourself in the right mental state and environments, you can find your creativity.
To start, you need to let go of trying to “make yourself” come up with something creative. If you’re already struggling with stress, threatening yourself can further trigger the fight-or-flight mode.
https://hbr.org/2018/11/how-to-be-creative-when-youre-feeling-stressed