The day is a time of doing, a time of seeing, a time of wakefulness and industry. We absorb its vitality, warmth, and light. During the day our five senses are kept active. We are keenly aware of what lies ahead of us, around us, and behind us. We are energized. We are busy, and our busy-ness keeps us focused. Then comes the nighttime. And with nighttime comes the darkness, the stillness. Some of us struggle with the waning of the day and the arrival...