Load it properly, step away to something light, then write.

Load the problem properly first (notes, drafts, research), then step away to something light: a walk, stretching, tidying. Not email. Come back and write. Incubation worked better after longer preparation.
S Evidence: strong. Large trials or many studies, pointing the same way.
Sio & Ormerod 2009 · Strick et al. 2011 (meta-analyses).
Not medical, legal or financial advice.
In The Ecosystem every framework comes with a daily action, a room that checks in, and the full library.