1) Which of the following statements best
defines sleep?
Required
O A a. Sleep is a natural result of boredom.
b. Sleep is caused by the production of melatonin and adenosine.
Cc. Sleep is a naturally recurring state characterized by reduced or
absent consciousness, relatively suspended sensory activity, and
inactivity of nearly all voluntary muscles.
d. Sleep restores our brains and makes us feel good.

Respuesta :