UNIT 3.2: STATES OF CONSCIOUSNESS-SLEEP AND HYPNOSISEQ 1: WHAT IS THE CIRCADIAN RHYTHM?

BELL RINGER1. Why do people need sleep?2. What times of day do you

feel most alert/awake? What times of day do you feel most tired? Why?

CIRCADIAN RHYTHMRegular bodily rhythms that occur on a 24 hour cycle which corresponds to changes such as body temp., blood pressure, and hormone levels

WRITE 2 OBSERVATIONS ABOUT THE CIRCADIAN RHYTHM BELOW

1. COMPARE AND CONTRAST BODY TEMP, SLEEP, AND MELATONIN2. WHAT DO YOU THINK MELATONIN IS?

WHY DO PEOPLE EXPERIENCE JET LAG?

WHY WOULD TRAVELING EAST TO WEST BE EASIER THAN WEST TO EAST? HINT: EAST TO WEST YOU LOOSE TIME EX: IF ITS 5:00 PM AND YOU TRAVEL 5 TIME ZONES WEST IT IS 12:00PM BUT IF YOU TRAVEL 5 TIME ZONES EAST IT IS 10:00PM

STUDIES ESTIMATE IT TAKES 24 HOURS FOR EACH HOUR OF TIME CHANGE TO RESET YOUR CIRCADIAN CLOCK

For the following examples use the timezone map and1. Calculate how many time zones you would travel through2. How many days would it take to reset your circadian rhythm?3. Which of the trips would you experience the most intense and

long lasting jet lag?4. Which trips would have the least effect?

CHICAGO TO LOS ANGELESNEW YORK TO LONDONGERMANY TO NORWAYNAMIBIA TO ARGENTINA