What are some conspiracies around waking up at 3AM?

I've been waking up at 3AM and having trouble falling asleep again afterwards for a few years. Did a quick Google and apparently it's a common phenomenon to wake up at 3AM.

Besides the multitude of science articles, I'm curious about other theories why this waking up specifically at 3AM seems to be a universal thing people experience. Less

I've read some stuff about 3AM being both the witching hour, as well as the starting time of the "third watch" from the Bible, but don't quote me on any of that as I've just read bits and pieces about that.

Anyone have any theories they would care to share? Experiences, etc? Don't mind how farfetched, fantasy, etc it sounds.

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