Everyone hates doing the little things. They seem unimportant, but when left to pile up, they can destroy focus and waste time. Did you ever let the sink pile up with dishes? How long did it take to do the pile of dishes? The one minute rule eliminates this type of situation; it reduces stress and creates focus.
The one minute rule advises people to complete any task that only takes a minute. Examples include filing a paper, putting office supplies away, or washing a dish. A minute does not really cut into your schedule, and it saves you the time in the long run. Filing a single paper every day takes a minute. Filing a month of papers will require much more time.