It recently occurred to me that sleep is Yin and Yang. Turns out that the ancient Asian symbol also represents the human circadian rhythm; the one that regulates the human sleep-wake cycle of wakefulness during the day and sleep at night.
If day is represented by Yang (the white part of the symbol), then the afternoon siesta, even if not taken, is the black dot within the white. It is that sense of tiredness around 3pm. And if Yin represents the night (the black area within the symbol,) then the white dot within Yin is that time during the small hours of the night, when many of us suddenly feel awake. It is the intermission between the first and second sleep, which is a natural occurrence. By the way, if you are not familiar with the idea of segmented sleep at night, you can google “Ekirch’s theory,” or just click here. Once I learned that it is natural and normal, I was able to, more easily fall asleep again, rather than agonize over my night’s rest being is over…
I just find it wonderful how such patterns exist, from the obvious to the more concealed.
Learned from: meditating on yin and yang