Exam 3: Sleep and Exercise - Bland 2024/2025 with 100% correct answers
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Course
E3: Sleep and Exercise - Bland
Institution
E3: Sleep And Exercise - Bland
18 years and older need ____-____ hours of sleep each night correct answers7-8
sleep is vital for _______ and ________- correct answerslearning; memory
sleep is vital for _________ _______ _________ and ____________- correct answersneural pathway formation; consolidation (all of our thoughts ...
18 years and older need ____-____ hours of sleep each night correct answers7-8
sleep is vital for _______ and ________- correct answerslearning; memory
sleep is vital for _________ _______ _________ and ____________- correct answersneural pathway
formation; consolidation (all of our thoughts are as a result of neural pathway activation)
sleep deficiency cause problems with ___________, __________, and __________ correct
answerslearning, focusing, reacting
sleep deficiency can increase the risk of what diseases/conditions? correct answersobesity, diabetes, CV,
and early mortality
what 2 factors affect sleep pressure and the need to sleep? correct answers1. adenosine levels
2. circadian rhythm
what is the circadian rhythm? correct answersthe normal daily routine of feeling sleepy/drowsy at times
and feeling aroused/awake at other times
What causes the feeling of being sleepy?
-what level is sleep pressure when you feel tired? correct answersbuildup of adenosine
-high sleep pressure
how do adenosine levels change during the day and what causes this? correct answersadenosine levels
increase throughout the day as metabolic processes increase; this drives your need to sleep as
adenosine in the blood binds to adenosine receptors --> sleepiness (high sleep pressure)
what happens to adenosine levels during sleep?
, -affect on sleep pressure and process-S? correct answersadenosine is metabolised so levels decrease
-therefore, sleep decreases sleep pressure and Process-S
other name for the circadian rhythm (wake drive)? correct answersProcess-C
other name for sleep drive? correct answersProcess-S
affect of night shifts on Process-S and Process-C? correct answersmesses up these processes
affect of night shifts on risk for diseases? correct answersincreases risk for all diseases
how does caffeine affect sleep?
-what happens when caffeine is metabolised? correct answerscaffeine binds to and blocks adenosine
receptors so that adenosine receptors are NOT stimulated --> perceive yourself to be less sleepy even
though you are still as tired internally and need to sleep (caffeine is a CNS stimulant)
-caffeine no longer blocks adenosine receptors once it has been metabolised so adenosine can bind to
the receptors and initiate sleep
there are how many sleep phases?
-how many broad categories? correct answers5
-2 broad categories
there are 4 stages of which broad category of sleep phase? correct answersnon-rapid eye movement
(NREM)
in which stage of sleep does the deepest sleep take place? correct answersNREM (predominantly occurs
early in the night)
What happens during non-rapid eye movement (NREM)?
-->what specific events occur during stages 3 and 4? correct answers-pruning/weeding out unnecessary
neural connections (brain essentially tags the correct and incorrect pathways -- sticky notes)
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