Caffeine
Sleep Cycles
Sleep and Performance
Sleep and Health
Pot-Pourri
200

Caffeine blocks this

neurotransmitter keeping you

awake.

What is adenosine?

200

The full sleep cycle lasts

approximately this many

minutes.

What is 90 minutes?

200

Getting less than 8 hours of sleep can impair this type of memory critical for learning.

What is short term memory?

200

This condition causes sleep difficulty and disturbances

What is insomnia?

200

This phenomenon occurs when you are aware you are dreaming and may even control the dream.

What is lucid dreaming?

400

The half-life of caffeine, or

how long it takes to reduce by

half in your body, is

approximately this many

hours.

What is 5-6 hours?

400

This stage makes up about 50% of a typical night’s sleep.

What is Stage 2 (light) sleep?

400

Sleep boosts creativity and mood by processing learning during this sleep stage.

What is REM sleep?

400

Chronic lack of sleep weakens this bodily system, making you more prone to illness.

What is the immune system?

400

This rule says you should not adjust your sleep schedule by more than this many hours.

What is the “Rule of Two”?

600

Name three sources of caffeine

What is coffee, soda, tea, chocolate, guarana, energy drinks, supplements and pain killers?

600

How many sleep cycles do people have every night?

What is 4-6 sleep cycles?

600

Sleep deprivation impacts the ability to form these long-term brain connections, which are critical for mastering complex skills

What are neural pathways or synaptic connections?

600

Sleep-deprived individuals have increased risks of this condition, marked by high blood pressure.

What is hypertension?

600

This type of noise can improve sleep by masking sudden sound disruptions.

What is white noise?

800

One shot of espresso from Starbucks has approximately this many mg of caffeine

What is 50mg?

800

Dreams occur more often during this

phase of sleep.

What is REM sleep?

800

This cognitive ability improves after a night of good sleep, helping athletes strategize.

What is decision making?

800

This cumulative effect from insufficient sleep is called this and can impair focus.

What is sleep debt?

800

This position during sleep increases the likelihood of sleep paralysis.

What is the supine position (laying on your back)?

1000

This is the scientific reason you experience a caffeine crash once the stimulant wears off.

What is the buildup of unblocked adenosine binding rapidly to receptors?

1000

This is why naps that are less than 30 minutes don't typically cause grogginess.

What is that you don't get into deep sleep?

1000

Getting adequate sleep improves free throw percentage by this amount.

What is 2%?

1000

Boredom can often unmask this problem

What is sleep deprivation?

1000

These two sleep systems control our sleep drive

What is adenosine and circadian rhythm?

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