What? This doesn't even begin to make sense, just like the article says in the beginning -- Americans are an hour off for the majority of the year, and it doesn't seem to be harming anything. If there's any kind of special Spanish fatigue, I can't believe it has anything to do with their timezone -- it's the entire cultural thing of sleeping/relaxing at siesta, and staying up late. Spaniards don't work late because o…
"Everyone in Spain feels jetlagged all the time, even if they haven't been traveling"
I live in the north of Europe now and when I can I take siesta, just I don't do it longer than 25 min. and never too late(around 14:00).