1. REST
SLEEP

2. objectives Define sleep Identify the differences between REM and NREM
Describe what takes place in the body during sleep
Explain the different sleeping disorders.

3. sleep The deep relaxation of the body and mind
Sleep is the body’s recovery period; damaged tissues are repaired.
Sleep gets you mentally and physically rejuvenated.
As you sleep your body and brain undergo changes that make up the sleep cycle.

4. lack of sleep
Snoozing in class, shortens attention span, reduces motor skills, and brain power = BAD GRADES
SNOOZING AT THE WHEEL= CAR ACCIDENTS
Lowers coordination = DETRIMENTAL TO ATHLETES
Depression = COULD RESULT IN SUICIDE
Annoyed & Angry= FAMILY AND FRIEND PROBLEMS
Increased Cortisol Levels = INCREASED BLOOD PRESSURE AND WEIGHT.

5. Nonrapid Eye Movement (NREM)
THE SLEEP CYCLE
Nonrapid Eye Movement (NREM)
Your eyes move very little and your body gradually reaches a state of deep relaxation.
Stage one = Drowsiness. Muscles start to relax and heartbeat slows.
Stage two =Light Sleep.
Stage three = Deep Sleep. Your muscles become more relaxed and your blood pressure drops.
Stage four- Deepest Sleep. Your body barely moves. People who exercise spend most of their sleep in stage four. Total relaxation.

6. Rapid Eye Movement (REM)
THE SLEEP CYCLE
Rapid Eye Movement (REM)
Rapid flickering of your eyes behind closed eyelids.
A very high level of brain activity
You dream in this stage
REM is 25% of your total sleeping time.

7. THE SLEEP CYCLE
SLEEP STAGES BEGIN WITH NREM AND PROGRESS INTO REM, AND THEN CYCLE BACK AND FORTH THROUGH ALL OF THE STAGES OF SLEEP.

8. How much Sleep is enough?
Most high school students average 6 hours a night.
Most high School students really need 8-9 hours a night.
The hours of sleep you miss add up.
The Average American is carrying around hour sleep deprivation.

9. How to get the sugar plums dancing in your head.
Establish a regular sleep pattern!
Exercise regularly!
Do something relaxing before bedtime!
Do not eat heavy before bedtime!
Avoid caffeine before bedtime!
Avoid Mood altering drugs like marijuana and alcohol
Do not rely on sleep altering medications
Change your environment

10. insomnia Difficulty falling asleep and staying asleep.
Major cause of stress
Causes might include: illness, medication, jet lag, pain, environmental noise.
43% of adults are affected a few nights a week.

11. Sleep Apnea
When breathing stops for short periods of time during sleep and then resumes.
This can happen times a night without the individual being aware of it.
It is characterized by loud snoring
Causes Include: enlarged tonsils, chronic nasal congestion,
deviated nasal septum.
Affects more than 12 million Americans.

12. Narcolepsy
When a person falls asleep for short periods of time without warning.
These sudden sleep attacks may occur during any type of activity at any time of the day.
Ex. Dad stop sign
Affects 300,000 Americans

13. Snoring
Physical obstruction of the flow of air through the mouth and nose.
Clogged nasal passage
45% of adults snore occasionally, while 25% are considered habitual snorers.

14. Sleep walking/talking
Tends to run in families
Causes include:
Stress, Change in Environment, Exhaustion.

15. MEASURING YOUR SLEEP DEBT.
1. Sitting and reading
never (0) slight (1) moderate (2) high(3)
2.Watching TV
3. Sitting, in an inactive place (theater, school, meeting)
4. As a passenger in a car for an hour without a break
5. Lying down to rest in the afternoon
6. Sitting and talking to someone on the phone
7. Sitting quietly after lunch
8. In a car while stopped for a few minutes in traffic
MEASURING YOUR SLEEP DEBT.
How likely are you to doze off or fall asleep in the afternoon during the following situations?

16. 0-5: EXCELLENT
Keep up the good work!
6-11: OK
Not too bad, but try and go to bed ½ hour earlier. You will be surprised what that will do.
12-17:WARNING
You are about to enter the Danger Zone. Catch up on those zzz’ s. A good night’s sleep is essential for good health.
18+ :DANGER
You have entered the danger zone. You are running on empty. Take a sleep vacation before you get sick!