What stage of sleep is most associated with vivid dreaming?
Stage 1
Stage 2
REM sleep
Deep sleep
What stage of sleep is most associated with vivid dreaming?
Stage 1
Stage 2
REM sleep
Deep sleep
On average, how many dreams do people have per night?
1–2
3–6
7–10
12+
What percentage of dreams are forgotten within 5 minutes of waking up?
10%
25%
50%
90%
Which hormone mainly regulates sleep cycles?
Dopamine
Melatonin
Serotonin
Adrenaline
What is the term for waking up but being unable to move, often with a sense of fear?
Night terror
Sleep paralysis
Insomnia
Lucid dreaming
Which philosopher suggested that dreams are simply random images with no meaning?
Aristotle
Plato
Descartes
Hobbes
About how long does a full sleep cycle last on average?
30 minutes
60 minutes
90 minutes
120 minutes
Which animal is known to sleep with one half of its brain at a time?
Dolphins
Owls
Bats
Tigers
What is the scientific term for “dreaming while knowing you are dreaming”?
Daydreaming
Lucid dreaming
False awakening
Hypnagogia
Which famous novel was inspired by a dream Mary Shelley had?
Dracula
Frankenstein
Jane Eyre
The Time Machine
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