1. Consciousness Module 24

2. Consciousness Consciousness- Awareness of yourself and your environment What is one thing that you are consciously doing right now?

3. Body Rhythms Circadian Rhythm- Biological rhythms that occur every 24 hours –EX. Wakefulness, eating and digestion At what time does your circadian rhythm tell you to wake up?

4. Lack of Sleep: Decreases the body’s ability to fight against disease Increases a stress chemical, cortisol, which affects memory & learning. Is more of a danger on roads than drunk driving. Causes irritable emotions. Causes early aging. ** Teenagers need 9 hours of sleep Which effect do you experience the most when you are lacking sleep?

5. How We Sleep When we see darkness, the hypothalamus sends out melatonin- a hormone that helps us to fall asleep Do you turn down the lights before bedtime, or does your house stay bright?

6. Why We Sleep – Several Theories We are protected from nighttime dangers. Sleep allows us a relaxing time to heal and re-energize –Tissues are repaired, memories are stored, and things learned are reorganized. Our brains can review important information Which theory do you agree with? Why?

7. Consciousness

8. Consciousness- Noticing yourself and your environment What can cause a person to become completely unconscious?

9. Body Rhythms Circadian Rhythm- Biological rhythms that occur every 24 hours – EX. Wakefulness, eating and digestion At what time does your circadian rhythm tell you to wake up?

10. Lack of Sleep: Decreases the body’s ability to fight against disease Increases a stress chemical, cortisol, which affects memory & learning. Is more of a danger on roads than drunk driving. Causes irritable emotions. Causes early aging. ** Teenagers need 9 hours of sleep Write about a time you experienced one of these effect from lack of sleep.

11. How We Sleep When we see darkness, the hypothalamus sends out melatonin- a hormone that helps us to fall asleep Do you turn down the lights before bedtime, or does your house stay bright?

12. Why We Sleep – Several Theories We are protected from nighttime dangers. Sleep allows us a relaxing time to heal and re- energize – Tissues are repaired, memories are stored, and things learned are reorganized. Our brains can review important information Which theory do you agree with? Why?