1. Sleep and Dreams
Why do we need sleep?

2. Sleep is vital to mental health
Sleep is an altered state of consciousness, characterized by certain brain patterns and inactivity
Consciousness- is a state of awareness
Sleep has been very difficult to study until recently
EEG (Electroencephalograph) has been helpful, the electrical activity of the brain

3. What is Sleep and Why Do We Sleep?
Sleep is being unresponsive to the environment with limited movement
Time where brain can rest and recover from stress
Type of hibernation to save energy
Clear mind of junk

4. Stages of Sleep Eyes roll from side to side, thirty minutes later
4th Stage of Sleep
Deepest level of sleep, difficult to wake from
3rd Stage
Deeper level of sleep
2nd Stage
Eyes roll from side to side, thirty minutes later
1ST Stages
Pulse Slows, Body Relaxes, Breathing is uneven, Last about 10 minutes

5. Deep Sleep is important to physical and psychological well being.
Ex. If you don’t reach deep sleep at night, when you take a nap you stay in Stage 4 during that time period

6. REM Sleep
REM Sleep- a stage of sleep characterized by rapid eye movement, a high level of brain activity, a deep relaxation of the muscles, and daydreaming
REM Sleep aka active sleep. Daydreaming takes place during REM Sleep
Last abt minutes after you go through Stage 4 of sleep
Your brain is ALWAYS active when you sleep

7. How Much Sleep Do You Need?
The environment and 24 hour day control our sleep cycles
Ex. Travelers experiencing jet lag from a flight, going from time zone to time zone

8. Sleep Disorders Insomnia Sleep Apnea
Some people only get 1-2 of sleep a night
Insomnia- the failure to get enough sleep at night in order to feel rested the next day
Anxiety & Depression
Alcohol/Drug Use can cause insomnia
Sleep Apnea- a sleep disorder in which a person has trouble breathing while asleep
Characteristics:10-15 secs. Snoring, person is choking, no air to the lungs
Effects older people
Causes: enlarged tonsils, infections in ear/throat, obesity

9. Nightmares/ Night Terrors
Sleep Disorders
Narcolepsy
Nightmares/ Night Terrors
Narcolepsy: a condition characterized by suddenly falling asleep or feeling very sleep during the day
Sleep attacks during the day
Difficulty working and prone to accidents
Nightmares- unpleasant dreams
REM Sleep, frighten sleeper
Night Terrors-Sleep Disruptions that occur during Stage 4 that include panic, screaming, confusion
Last 5-25 mins., no memory

10. Sleep Disorders Sleep Talking Sleepwalking
Sleepwalking: walking or carrying out behaviors while asleep
Linked to stress, fatigue, may be inherited
Inherited
Not dangerous to wake sleepwalkers
Sleep talking can occur during Stages 1-4(NREM)/ REM
Might pause between sentences like during conversation
It is harmless

11. Dreams Daily activities, take place in common places
Occur in realistic time
Dream Interpretations
Daydreams require low awareness and fantasizing, while awake
Useful purposes such as reminding for events, creativity, control emotions