5.4-5.5: SLEEP DEPRIVATION AND DREAMING

What are characteristics of sleep deprivation?

Falls asleep more often
Irritable
Short attention span
Normal energy when occupied, low energy when unoccupied
Difficulty reading/studying

When does sleep deprivation occur?

After 2-3 days of not getting enough sleep

What are the costs of sleep deprivation?

Cognitive and emotional deficits
Increased risk of driving accidents
Increased preventable medical errors

What is sleep displacement?
What could cause this?

Individual can’t sleep during normal times
Could be caused by jet lag or daylight savings adjustment

How you train your body and brain to sleep more readily?

Practice good sleep hygiene

What are some examples of good sleep hygiene?

Sleeping and waking up the same time consistently
Not eating or drinking too much closer to bedtime
Short naps
Exercise

Developing sleep rituals
Avoiding working in bed
Sleep in a dark and quiet room with regulated temperature
Not laying in bed fully awake

How did Sigmund Freud interpret our dreams?

He argued dreams were our wishes coming true

Where the “Id” takes control

What is manifest content?

Images and storylines that we dream about

What is latent content?

Actual symbolic meaning of a dream based on suppressed sexual or aggressive urges

This is the “Id” Freud was talking about

What is activation-synthesis hypothesis?

Suggests that dreams arise from brain activity originating from bursts of excitatory messages

What is the problem-solving theory?

You dream of solving real life problems you have in your dream

Ex. studying so much you end up studying in your dream

During the day when we are active, what hormone is on a high concentration?

Cortisol (stress hormone)

During the night when we are sleepy what hormone is in high concentration?

Melatonin