Dement
This early researcher did a study that seemed to suggest that people deprived of REM sleep would become paranoid, seemingly mentally ill, from lack ofthis one stage of sleep and cause even death
hope it helps
I know the first one:
The person might have trouble seeing shades of red, blue, and/or green. Color-sensitive pigments in the cones of the eye are absent. These inabilities to see certain colors ends up leading to the person seeing the colors in question as a mixture of the same shade.
Rays of heat that conduct the energy.