You clearly never seen police dashcam videos in the US. Besides the corruption and stops for "hunt missions", a lot of times it's simply because you shattered their ego, even with a simple laugh: https://youtube.com/watch?v=NqJdt9_1XSw
I think you are being sarcastic, but in case you weren't, in 2014 60% of adults in the US owned a smartphone, so my point stands. Videos of police misconduct were already widespread before that. Someone took video of the killing of Eric Garner, etc.
If your goal is just collect sleep data,
I personally use my Withings Scanwatch with a leather bracelet,
But if you're not willing to keep a watch while you're sleeping they have "Sleep analyzer" that you put under your bed to collect Sleeping data, but I never tried it !
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