Non-privacy of this person is currently sleeping data is very bad as well, for different reasons.

You know, now that I'm thinking about it, I'm beginning to wonder if poor data privacy could have some negative effects.

It sounds like there was "presence in room" data as well, which could be very bad

Unsecured fitness monitor data revealed military guard post (IIRC) activity a while back.

not because you knew how much someone worked out. But because it had GPS.