Jessica just watched an extremely scary video with her friends ...

[swpotter12]

Jessica just watched an extremely scary video with her friends and is now finding it very difficult to get to sleep, even though she knows that she is very tired. It is most likely that Jessica's sleeplessness is related to increases in the release of
 
  a. melatonin.
 b. cortisol.
 c. dopamine.
 d. acetylcholine.

Question 2

Cortisol levels are normally
 
  a. highest in the morning.
 b. highest midday.
 c. highest in the evening.
 d. stable throughout the day.

[billybob123]

Answer to Question 1

b

Answer to Question 2

a