STOCKHOLM -- Four a.m. is the worst possible time to start something. Trust me, I’ve done the research on this one. Four a.m. is too late to stay awake -- or at least, too late to stay awake and still maintain any coherent enthusiasm for whatever you’re staying awake for -- and too early to get up without hating the entire world when the alarm clock goes off. It’s past the middle of the night, and yet before the early morning. It’s a miserable hour, in other words, which is why I wouldn… Read entire story...