AP PSYCHOLOGY

STATES OF CONSCIOUSNESS

PSYCHOLOGY OF SLEEP

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The stages of sleep are differentiated from each other by
A
varying levels of adrenaline found in the blood
B
varying patterns of brain activity
C
whether you are dreaming or not.
D
your core body temperature
Explanation: 

Detailed explanation-1: -Sleep is not a uniform state of being. Instead, sleep is composed of several different stages that can be differentiated from one another by the patterns of brain wave activity that occur during each stage.

Detailed explanation-2: -The human body cycles through two phases of sleep, (1) rapid eye movement (REM) and (2) non-rapid eye movement (NREM) sleep, which is further divided into three stages, N1-N3. Each phase and stage of sleep includes variations in muscle tone, brain wave patterns, and eye movements.

Detailed explanation-3: -Throughout your time asleep, your brain will cycle repeatedly through two different types of sleep: REM (rapid-eye movement) sleep and non-REM sleep. The first part of the cycle is non-REM sleep, which is composed of four stages.

Detailed explanation-4: -A monophasic sleep pattern is when an individual sleeps once per day, typically for 8 or so hours a night. A biphasic sleep pattern is when someone sleeps twice per day, sometimes referred to as a siesta sleeping pattern. A polyphasic sleep pattern is when a person sleeps for periods of time throughout the day.

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