MCAT Question of the Day
    •

    Q:

    		 Which of the following is considered the deepest stage of sleep in the sleep cycle?
    		 

    A

    		 Stage 1

    B

    		 Stage 2

    C

    		 Stage 3

    D

    		 REM



    Making Sense of the Environment |
    Subscribe


    Connect

    Questions? We're here to help!

    Ask Us