Vocab
What is sleep
A natural and essential state of reduced activity and awareness controlled by the brain and body systems
What do REM and NREM stand for
Rapid eye movement and non rapid eye movement
What was written in the top left corner of this slide
67
What is the brief, involuntary muscle jerk that often happens just as a person is falling asleep
A hypnic jerk
What is melatonin
A hormone released by the brain that signals sleepiness
What does the name of REM sleep come from
Eyes moving rapidly under eyelids in this stage of sleep
What does sleep benefit
Any of the following:
Emotional regulation, muscle repair, immune system
What is the state of altered consciousness that is regulated differently from sleep and involves full loss of awareness under medical control
General anesthesia
What is the circadian rhythm
An internal 24 hour clock controlled by light and darkness
Which specific stage of sleep do you cycle through multiple times
Stage 2 NREM
How much sleep should school-aged children (you guys) be getting
Nine to twelve hours
What is the process called where your brain cleans out waste like beta-amyloid during deep sleep
(beta-amyloid: a group of peptides ranging from 36 to 43 amino acids that serve as the primary component of amyloid plaques found in the brains of individuals with Alzheimer's disease)
The glymphatic system
What are cytokines and what do they do
Small proteins that regulate inflammation and immune activity
Which stage of sleep helps you feel well rested
Stage 3 NREM
What are some effects of sleep deprivation
Any of the following:
Slower reaction time, difficulty focusing, impaired decision making, higher risk of hypertension, strokes, cardiovascular diseases, heart diseases, diabetes, obesity, and car crashes.
What is the involuntary reduction in body temperature during sleep that helps conserve energy
Thermoregulation
What is homeostasis
The body's ability to maintain stable internal conditions
Which stage of sleep has similar brain activity to that of when you're awake
REM
Name at least 6-7 things that impact your sleep
At least 6 of the following:
Caffeine, alcohol, nicotine, jet lag, temperature, light, screens, diet, stress, physical activities
True or false: you can still hear while you sleep
True
Your brain filters out background noise but reacts to sounds such as crying babies