What phase of sleep is most associated with vivid dreaming?
REM sleep
Which planet is brightest in the night sky after the Moon?
Venus
What is the term for fear of the dark?
Nyctophobia
What mathematical term means a repeating cycle, similar to a sleep pattern?
Periodic / Cycle
Body’s internal sleep clock?
Circadian rhythm
Longest sleep phase?
NREM (Stage 2)
Greek god of sleep?
Hypnos
Staying up all night?
All-nighter
Can’t move while waking?
Sleep paralysis
Awake hormone?
Cortisol
Author of A Midsummer Night’s Dream?
William Shakespeare
Breathing stops during sleep?
Sleep apnea
Deep sleep brain waves?
Delta
Relativity scientist?
Albert Einstein
Dreamlike art style?
Surrealism
Derivative of x²?
2x
Time-zone sleep disruption?
Jet lag
What is the study of sleep called?
Somnology
What is a person called who loves staying up late?
Night owl
What is sleep talking called?
Somniloquy
The word “pajama” comes from which language?
Hindi (via Persian/Urdu)
In the 1800s, pajamas were mainly worn by whom in Europe?
Men
Which fashion designer helped popularize stylish sleepwear?
Coco Chanel
Pajamas were originally designed for what climate?
Warm / tropical climates
Which century saw pajamas become everyday loungewear?
21st century
What is the medical term for inability to fall or stay asleep
Insomnia
Which Canadian city is home to major sleep and circadian rhythm research programs at universities?
Vancouver
What term describes seasonal changes in sleep patterns caused by Canada’s long winter nights?
(SAD)
Which Canadian region experiences extreme daylight variation affecting circadian rhythms (long polar night)?
Northern Territories (Nunavut / Yukon / NWT)
What is a person who loves sleep called jokingly
Sleepyhead
What famous festival is Pajama Day part of?
Spirit Week
What sleep phenomenon involves vivid hallucinations while falling asleep?
Hypnagogia