According to the National Sleep Foundation, what percentage of Americans report that they do not get 8 hours of sleep per night?
A) 20 percent
B) 33 percent
C) 45 percent
D) 50 percent
E) 63 percent
Question 2
What hormone, produced by the stomach, lets the brain know that you are hungry?
A) ghrelin
B) peptin
C) leptin
D) insulin
E) glycogen