You do not have to draw a picture. Just take a minute to concentrate on doodling. Your brain needs some time off to focus on something meaningless.
Look on the wall
This may sounds strange, but it works. Choose a point on the wall in front of you and and intently look at the point for a minute. Relax and let your mind go blank. This is a proven way to clear your mind.
Do you have you any one-minute rituals that help you calm down and recharge?
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Article source Entrepreneur.com - website of a leading U.S. magazine for entrepreneurs