Question

Why might fitness professionals want to have information for their clients on obtaining adequate sleep?

Answer 1

The question is asking "Why might fitness professionals want to have information for their clients on obtaining adequate sleep? " and the answer is that "A. Because adequate is as important to fitness as exercise". This is so because if one wants to exercise a lot, they should be rested - otherwise they might suffer in injury or be too tired to exercise - and sleep is a source of rest.