True or False: snoring is a sign of deep sleep.
False - it can be a sign of breathing or sleep apnea.
What is the name of the internal biological clock that regulates our sleep-wake cycle?
Circadian Rhythm
True or False: Your brain completely shuts down and does nothing while you are asleep.
False
Which stage of sleep is most associated with vivid dreaming?
REM sleep / Stage 4
What is the name of the hormone your brain produces to make you feel sleepy when it gets dark?
Melatonin
Which "type" of light, emitted by phones and tablets, can trick your brain into thinking it is still daytime?
Blue light
True or Flase: Your bedroom should be as warm as possible to help you sleep.
False
What is "Revenge Bedtime Procrastination"?
When you stay-up to reclaim lost time for things you enjoy because you feel like you didn't have enough "free time" during the day.
What is "Brain Dumping" in relation to good sleep?
Writing down a "To-Do" list or worries. It helps the brain "let go" of those thoughts so they don't loop all night.
Why should you avoid using your bed for homework or gaming?
Because your brain will associate bed with activities other than sleep.
Which is the last of the senses to "switch-off" when sleeping?
Hearing - This is an evolutionary safety feature so we can wake up if we hear a predator or a loud noise.
True or False: Some animals, like dolphins, can sleep with only half of their brain at a time.
True - This is called unihemispheric sleep—they sleep with one eye open!
What common stimulant found in energy drinks and tea can interfere with sleep?
Caffeine
What hormone is connected with stress and stops us being able to sleep?
Cortisol
True or False: blood pressure falls as we go to sleep.
True
Why is sleep important for weight training?
Because muscles repair and grow during Stage 3 deep sleep.
