Before a game, I’ve found that training for short bursts can be as effective as trying to work for a long time, especially when it comes to intense work where you absolutely block all distractions and focus on the problem. If you work for a long time, then inevitably, at some point, your mind will wander, and your energy and interest will both flag. You may end up squandering your resources. Short bursts, I’ve found, are the most productive – much like brief meetings, or indeed short working days – because they can be intense, focused periods when you stop thinking of everything else and quit
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