00:25 duration 25 seconds
CHILD 210 Deep Sleep
Unit 02 > Chapter 05: Biosocial > CH05 Body Changes > Deep Sleep 123321_03D1C5_Deep Sleep(21)
00:33 duration 33 seconds
CHILD 210 Active Sleep
Unit 02 > Chapter 05: Biosocial > CH05 Body Changes > Active Sleep 123321_03D1C5_ActiveSleep(20)