This is all detrimental to their sleep and we know that parents who are able to put in place rules around sleep have children with better outcomes. (education.sa.gov.au)
Travel insurance also places rules around their baggage coverage and requires that a bag be delayed a certain amount of time before it will reimburse the traveler according to the policy details. (travelinsurancereview.net)
However, the parties put in place rules that affect the number of delegates a state gets based upon when the primary is. (politics.stackexchange.com)