Psychology Sleep

True or False:  Sleep is an example of an altered state of consciousness.

True

Sleep is believed to have many different purposes.  Circle/highlight any option to the right, that was discussed in your reading as to why we sleep

1. It is believed that sleep is restorative

2. Some believe that the brain recovers from stress when we sleep

3. It is believed that we sleep to conserve energy

4. In the past, sleep kept humans out of harm’s way

5. It is believed that we sleep to dream

Describe what happens in stage one of sleep:  How long does it last?  What happens to your breathing and brain waves?

Your pulse slows down and your muscles relax, your breathing becomes uneven, and your brain waves grow irregular, this phase lasts up to just 10 minutes

In what stage are you in the deepest sleep?

Stage Four

Describe what happens in stage four (or stage IV) sleep?

Difficult to wake someone up in this stage, regular delta waves are occurring, bed-wetting, and sleepwalking occur on this stage, while your muscles are relaxed your eyes start moving rapidly.

Describe what happens in REM sleep:  How long does it last?  What happens to your brain and body during this stage of sleep?

It’s called active sleep, because your brainwaves closely resemble those of a person who is fully awake. Your face and fingers twitch and large muscles in your arms and legs are paralyzed. REM lasts for about 15 minutes to 45 minutes.

True or False:  When we sleep, the brain becomes totally inactive.

False

Humans spend approximately ___ of their lives sleeping.

1/3

How much sleep do people generally need in each age group?

Newborns: 16 hours

Sixteen-year-olds: 10-11 hours

Graduate school: 8 hours

People 70+: 5 hours

Define Circadian Rhythm

A biological clock that is genetically programmed to regulate physiological responses within a time period of 24-25 hours

What is the length of an average human’s circadian cycle?

24-25 hours

Define narcolepsy

A permanent and overwhelming feeling of sleepiness and fatigue

 In what phase of sleep do nightmares occur? 

 In what phase of sleep do nightmares occur? 

How are night terrors different from nightmares? 

People usually have no memory of night terrors, and are connected to sweating, screaming, and confusion.

True or False:  Not everyone dreams.

False

The first few dreams are usually made up of what?

Usually vague thoughts left over from prior activities in the day

Define hypnosis:

Is a form of altered consciousness in which people become highly suggestible to changes in behavior and thought.

True or False:  In hypnosis, the participant is actually in a state of sleep.

False

True or False:  Hypnotism could be very powerful or healing if the patient and hypnotist work together to solve a problem.

True

Psychologists ________ about the nature of hypnosis.

Disagree

Why might a therapist use hypnosis with clients?

To help clients reveal their problems or gain insight into their lives.

Define the term meditation

The focusing of attention to clear one’s mind and produce relaxation.

How does sleep loss affect humans? (Long and short-term effects of sleep loss/deprivation)

Health diseases/Illnesses, impairs brain functions(memory/decision making), weakened immune system

What are sleep’s functions? How does sleep impact our body's functions?

energy conservation, brain waste clearance, cognition, performance, vigilance, disease, and psychological state, muscles paralyse, cell repair