Answer the following statements true (T) or false (F)

1. If a person is awakened during stage 1 of NREM sleep, he or she will often deny having been asleep.
2. Most of an individual’s deep sleep takes place in the first third of the night.
3. Although dreams may occur in all stages of sleep, they generally happen in stages 3 and 4 of NREM sleep
4. When dreaming, an individual has periods of no muscle tone or movement, except for eyes, diaphragm, nasal membranes, and erectile tissue.
5. Memory can be impaired by missing the REM sleep periods that come later in the sleep cycle.


1. TRUE
2. TRUE
3. FALSE
4. TRUE
5. TRUE

Health & Biomechanics

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