Here's what I have learned personally, mostly by accident. For intellectual tasks: 1) What seemed hard last night always seems easier the next morning. (Sleep

Here's what I have learned personally, mostly by accident. For intellectual tasks: 1) What seemed hard last night always seems easier the next morning. (Sleep learning? Not sure.) 2) Verbalizing a problem, even to someone that has no chance of helping you, can often prompt a solution. Isolation is bad. 3)Distractions are bad, breaks are good.