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What is sleep fragmentation?

What is Homeostasis drive?

Use this information to calculate sleep data values.Lights On: 840 epochLights Out: 20 epochSleep Onset (SO): 50 epochREM Onset : 270 epochTotal Stage 1: 80 epochTotal Stage 2: 370 epochTotal Stage 3: 60 epochTotal REM: 110 epochTotal Obstructive Apneas (OA): 70Total Central Apneas (CA): 5Total Mixed Apneas (MA): 25Total Hypopneas: 40Total PLMs: 90Total Recording Time ______ minutesTotal Sleep Time         ______ minutesSleep Efficiency           ______%Sleep Latency               ______minutesREM Latency                 ______minutesTotal Stage 1                 ______minutesPercentage Stage 1     ______%Total Stage 2                ______ minutesPercentage Stage 2    ______%Total Stage 3             _________minutesPercentage Stage 3 _________%         Total Stage REM     _________minutesPercentage Stage REM ______%Apnea Index               _________/ hourHypopnea Index       _________/ hourApnea/Hypopnea Index ______/ hourPLMs Index:                     _______/hourPlease be sure to write your answers in the format above.

ARAS activity goes up during sleep?

.How would you explain the difference between these 2 hypnograms?

When did the research studies in physiology and psychology/psychiatry that led to polysomnographic technology begin?

What is the maximum impedance allowed for EEG and EOG channels according to the AASM Manual?

What is the typical sleep duration for teenagers (13-18 years)?

What is vigilance?  Please provide a clear definition of exactly what this sub-component of the attention system does, including examples to help illustrate your definition.  (2 points)

Please give a definition of landmark agnosia.  Next give an example of a task someone with landmark agnosia may struggle with and describe how they would struggle with it. (2 points)