THE PSYCHOLOGY OF EMOTIONS
STATES OF CONSCIOUSNESS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Percent of time in REM sleep decreases
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Percent of time in NREM 3 sleep decreases
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Every sleep cycle is the same
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As morning approaches, you spend 0 time in NREM 2
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Detailed explanation-1: -What happens to NREM-3 sleep as the night goes on? Gets briefer then disappears. How much of an average night’s sleep do we spend in REM? 20-25% of night’s sleep.
Detailed explanation-2: -NREM sleep constitutes about 75 to 80 percent of total time spent in sleep, and REM sleep constitutes the remaining 20 to 25 percent. The average length of the first NREM-REM sleep cycle is 70 to 100 minutes. The second, and later, cycles are longer lasting-approximately 90 to 120 minutes (Carskadon and Dement, 2005).
Detailed explanation-3: -These include three stages of non-rapid eye movement (NREM) sleep, which make up about 75% to 80% of the night, and one stage of rapid eye movement (REM) sleep, which makes up the remaining 20% to 25%.
Detailed explanation-4: -Sleep allows the brain and body to slow down and engage in processes of recovery, promoting better physical and mental performance the next day and over the long-term. What happens when you don’t sleep is that these fundamental processes are short-circuited, affecting thinking, concentration, energy levels, and mood.