Right Click the desktop and select properties. The the screensaver tab and click on the Power Saving button. Check what the settings are when plugged in. Strange it seems to be happening when you`re working on it though.
Dell XPS 13 9370 (2018) review
The art of 'British' pulp fiction
Best password managers for Mac
TV & streaming : comment regarder le Tournoi des Six Nations 2018 ?