Sleep cycles repeat about every minutes, and the typical adult has cycles per night

a. 60; six to seven
b. 60; three to four c. 90; four to five
d. 120; two to three e. 90; two to three

c

Psychology

You might also like to view...

The _______ regulates the pituitary gland

a. hypothalamus b. hippocampus c. hormone center d. none of these

Psychology

The body deals with stress by producing

a. testosterone or estrogen. c. synapses. b. adrenalin. d. cortisol.

Psychology