I have stopped posting my sketchbook drawings - and will be posting phone doodles instead of sketchbook drawings for a while. 

From 2003 to 2020, I scanned and saved my phone drawings. When talking on the phone, there was always a piece of paper, notepad or newspaper lying around, I had a pen in my hand or picked one up, talked, listened, wrote something down and started drawing. When the phone conversation was over, I would notice with amazement what had been created, patterns, doodles, figures.

There is someone who writes quite interestingly on the website https://pflumi.tripod.com/ about unconscious drawing while talking on the phone.