That is standard suicide watch protocol.
That may be, but you don’t need a flashlight to observe someone.
Night vision optics are very affordable today.
Low light CCTV is very common for security work. A Ring door bell system has pretty good low light performance and is pretty cheap. Of course I would never get one because I don't want Amazon owning the images captured by the system.
Sleep deprivation is considered torture.
Feeling sorry for the purveyor of underage meat to the predators?