The space exploration program has hired you for advice on how to keep astronauts healthy in the space shuttle. How can the program's doctors make sure the astronauts’ bodies work well enough to exercise in space

The space exploration program has hired you for advice on how to keep astronauts healthy in the space shuttle. How can the program's doctors make sure the astronauts' bodies work well enough to exercise in space? The doctors could make sure that the astronauts' bodies can make enough energy by getting enough sleep.

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answer; /// i believe that the correct answer is (c) the concentration of active ingredients in a medication

i live in a box plz

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