Don't bring it up again until they seem happier and assure them that its okay
Answer: C. Melatonin.
Explanation: Melatonin is the hormone responsible for sleep and wake cycles. :)
Answer:
B. Modifying the rules
Explanation:
The answer is not A because there's no rule that the team must be rotated.
As for increasing or decreasing the difficulty, it is really subjective to the point of view of each team.
Therefore, the answer is "modifying the rules".
Answer: Amyotrophic lateral sclerosis (Lou Gehrig disease)
Explanation: Amyotrophic lateral sclerosis (Lou Gehrig disease) targets upper and lower motor neurons (cranial nerves and spinal cord) and results in neuronal cell death and progressive loss of motor function. Patients usually have lower extremity weakness that progresses to complete paralysis over the course of years.