Persistent heartburn (GERD) can be a cause for sleep interruption when
A) you lie down soon after eating.
B) you remain upright for several hours after eating.
C) you exercise vigorously after eating and before bedtime.
D) your diet contains dairy products.
Question 2
The most important influences to sleep patterns are
A) biological and genetic.
B) behavioral and environmental.
C) gender and ethnicity.
D) All of the answers are equally important.