1. Define sleep2. Identify the differences between REM and NREM3. Describe what takes place in the body during sleep4. Explain the different sleeping disorders.

• 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.

• 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.

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.

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.

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

• 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 30-40 hour sleep deprivation.

1. Establish a regular sleep pattern!

2. Exercise regularly!3. Do something relaxing before

bedtime!4. Do not eat heavy before

bedtime!5. Avoid caffeine before bedtime!6. Avoid Mood altering drugs like

marijuana and alcohol7. Do not rely on sleep altering

medications8. Change your environment

• 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.

• When breathing stops for short periods of time during sleep and then resumes.

• This can happen 300- 500 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.

• 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 crossing @ stop sign

• Affects 300,000 Americans

• 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.

• Tends to run in families

• Causes include:

Stress, Change in Environment, Exhaustion.

1. Sitting and reading 1. Sitting and reading never (0) slight (1) moderate (2) high(3)

2.Watching TV2.Watching TVnever (0) slight (1) moderate (2) high(3)

3. Sitting, in an inactive place (theater, school, meeting)3. Sitting, in an inactive place (theater, school, meeting)never (0) slight (1) moderate (2) high(3)

4. As a passenger in a car for an hour without a break4. As a passenger in a car for an hour without a breaknever (0) slight (1) moderate (2) high(3)

5. Lying down to rest in the afternoon5. Lying down to rest in the afternoonnever (0) slight (1) moderate (2) high(3)

6. Sitting and talking to someone on the phone6. Sitting and talking to someone on the phonenever (0) slight (1) moderate (2) high(3)

7. Sitting quietly after lunch7. Sitting quietly after lunchnever (0) slight (1) moderate (2) high(3)

8. In a car while stopped for a few minutes in traffic8. In a car while stopped for a few minutes in trafficnever (0) slight (1) moderate (2) high(3)

MEASURING YOUR SLEEP DEBT.

How likely are you to doze off or fall asleep in the afternoon during the

following situations?

0-5: EXCELLENTKeep up the good work!

6-11: OKNot too bad, but try and go to bed ½ hour earlier. You will be surprised what that will do.

12-17:WARNINGYou are about to enter the Danger Zone. Catch up on those zzz’ s. A good night’s sleep is essential for good health.

18+ :DANGERYou have entered the danger zone. You are running on empty. Take a sleep vacation before you get sick!