David Moir/Reuters The morning is the best time for work that requires mental concentration, but creativity levels peak in the afternoon. But some people are night owls — and they should align their tasks with their natural rhythm. Taking short breaks can restore your brain energy and help make your afternoons more productive. We love to say "timing is everything" but often we sure as heck don't act like it (bookstores have an entire "how to" section but not a "when to" section). As we're going to find out, timing really can be everything.