Epidemiological studies indicate that the Goldilocks' amount of sleep is between ____ hours.
a. 6 and 7 c. 8 and 9
b. 7 and 8 d. 9 and 10
Question 2
____ is linked to higher cardiovascular risk, and ____ with an elevated risk of breast cancer and colorectal cancer
a. Sleep deprivation, shift work c. Shift work, night work
b. Shift work, sleep deprivation d. Night work, shift work