What a clickbait. Calling this "how to program in your sleep"? I mean, seriously? Everyone with sufficient experience knows that putting aside a problem that yo

What a clickbait. Calling this "how to program in your sleep"? I mean, seriously? Everyone with sufficient experience knows that putting aside a problem that you're trying to solve and giving it another go some time after can be of tremendous help. What it would be nice to know or at least have some explanation is why this works most of the times.