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(mostly sleep and dreams) Part 1/2
When you don’t sleep… When you don’t sleep…
Your attention gets worse
(mostly sleep and dreams) Part 1/2 When you dont sleep When you - - PowerPoint PPT Presentation
(mostly sleep and dreams) Part 1/2 When you dont sleep When you - - PowerPoint PPT Presentation
(mostly sleep and dreams) Part 1/2 When you dont sleep When you dont sleep Your attention gets worse When you dont sleep Your driving gets worse When you dont sleep you die Electroencephalography (EEG) Awake and
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When you don’t sleep…
Your driving gets worse
When you don’t sleep…
you die
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Electroencephalography (EEG)
1 second
Alpha waves
Awake but non-attentive large, regular alpha waves
1 second
Beta waves
Awake and attentive low amplitude, fast, irregular beta waves
1 second
Delta waves
Sleep stages #2-4 “slow-wave” sleep
1 second
Theta waves
Sleep stage #1 brief transition when first falling asleep
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A “mystery” of psychology:
Nobody knows why we sleep
A “mystery” of psychology:
Nobody knows why we sleep
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(mostly sleep and dreams) Up next: Part 2/2 (mostly sleep and dreams) Part 2/2
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What do we dream about?
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most dreams are bad men have more aggressive dreams than women people in tribal societies have more aggressive dreams than people in industrialized societies Americans have more aggressive dreams than Europeans
What do we want to dream about?
Women: Romance and adventure Men: Sex with strangers
~10% of dreams are actually sexual What is the most common dream?
Being naked? Flying? Falling?
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Why do we dream?
AKA: Rats dream of running mazes
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Do we really know the contents of our dreams? Do you dream in color? A. Yes
- B. No
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Tapia et al. (1953): 9% of people report dreaming in color!
Aristotle Epicurus Descartes
Dreams have color!
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Options
the color of dreams has changed over time people were lying we don’t really know what
- ur own dreams are like!
Dreams are still a mystery Dreams are still a mystery
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