Im not quite sure but i would go with
1. changing to a completely new type of activity - overcoming a plateau
2. making your goals easier - restarting after a break
Answer: C. Melatonin.
Explanation: Melatonin is the hormone responsible for sleep and wake cycles. :)
Answer:
1. True
2. True
3. True
4. True
5. True
Explanation:
All of the above is true!
Roughly 80%. not sure if you had answer choices or not..
Answer:
1) Cheating.
2) Swearing.
3) Hostile Mood Swings.
