Think I found the solution! Read about DRI3 issues with intel graphics on the Arch wiki, and tried switching to DRI2 as the wiki suggested. Have been back on i3 and without the issue for over a week now 
Think I found the solution! Read about DRI3 issues with intel graphics on the Arch wiki, and tried switching to DRI2 as the wiki suggested. Have been back on i3 and without the issue for over a week now 