From razor-sharp focus to creative thinking, your brain is at its best at different hours of the day. Here's how to plan your day for greatness
The brain is a fickle beast – at some times as sharp as a tack, at others like a fuzzy ball of wool. At least some of that variation can be explained by fluctuations in circadian rhythms, which means that, in theory, if you do the right kind of task at the right time of day, life should run a little more smoothly.
The exact timing of these fluctuations varies by about 2 hours between morning and evening types, so it is difficult to give any one-size-fits-all advice. Nevertheless there are a few rules that it's worth bearing in mind whatever your natural waking time.
It's an idea not to do too much that involves razor-sharp focus in the ...
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