We’ve all had the experience of waking up at night and not being able to go back to sleep. Such was the case for me not long ago. Usually, in this situation, my mind would find a train of thought and then take off. We all know how that story ends: toss and turn for the next three hours; then, at last, your mind tires out and you fall back to sleep—just in time for the alarm to go off and you have…
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