"do them much harm." Hard to quantify "harm". But I will say that anything that is a habit, when broken, opens you up to the possibility of being exposed to a

"do them much harm." Hard to quantify "harm". But I will say that anything that is a habit, when broken, opens you up to the possibility of being exposed to a new habit "the addiction".[1] Along those lines 1 day of downtime probably isn't going to shift attention much. But an extreme, 2 weeks, would certainly break some addictions as people would fork to a new (I don't know insert some french or latin word here!) So who is to say where that slippery slope of is? (Somewhere between 1 minute and 2 weeks). [1] Reason that I have heard that Starbucks renovates restaurants at greater expense and keeps them open at least some hours. Because people's habits are mercurial.