Fever, chills and fatigue
Answer: going to bed at different times each night
Explanation: To keep the body to understand what is going to happen, by getting enough sleep without messing up the body pychologicly, it allows the body to adjust its internal clock.
I would say brown rice because it does not need to be refrigerated and can last longer than cheese.
The prefix is different
One is high and the other is low
A medicine is a chemical substance that is used to treat, prevent or diagnose a disease.