Aerobes can't survive without oxygen
Your body will only be able to function and maintain it's homeostasis at a constant stable temperature of 98 degree's farenheit. It will usually only be able to take a min of 96 or a max of 102. Usually at hitting those max/min, the body will have begun to loose it's ability to mantain that temperature and it could then start beginning a downward spiral of Hypo- and hyper- Thermia, which is very dangerous.
Your answer is C. Have anxiety about going back to sleep after an incident.
If you suffer from night terrors, you might not want to go back to sleep, either because you are too scared, or you know you won't be able to stay asleep.