REM+Dream

toc = = = Definition: A type of dream occurring almost continuously during each REM period and having a story-like quality; typically more vivid, visual, and emotional than NREM dreams.= Gen Psych Chapter 4 pp. 118

= Examples: = = Rapid Eye Movement (REM) Sleep (also known as // active sleep // or // paradoxical sleep) //=

= Analogies: [|Sleep Stages] =

= = =Stage 1 = = = Stage 1 is the beginning of the sleep cycle, and is a relatively light stage of sleep. Stage 1 can be considered a transition period between wakefulness and sleep. In Stage 1, the brain produces high amplitude theta waves, which are very slow brain waves. This period of sleep lasts only a brief time (around 5-10 minutes). If you awaken someone during this stage, they might report that they weren't really asleep. = =

Stage 2
= = Stage 2 is the second stage of sleep and lasts for approximately 20 minutes. The brain begins to produce bursts of rapid, rhythmic brain wave activity known as sleep spindles. Body temperature starts to decrease and heart rate begins to slow.

Stage 3
Deep, slow brain waves known as delta waves begin to emerge during stage 3 sleep. Stage 3 is a transitional period between light sleep and a very deep sleep.

Stage 4
Stage 4 is sometimes referred to as delta sleep because of the slow brain waves known as delta waves that occur during this time. Stage 4 is a deep sleep that lasts for approximately 30 minutes. Bed-wetting and sleepwalking are most likely to occur at the end of stage 4 sleep.

** -Stage 5- **
Most dreaming occurs during the fifth stage of sleep, known as rapid eye movement** (REM) **sleep.** REM ** sleep is characterized by eye movement, increased respiration rate and increased brain activity. REM sleep is also referred to as paradoxical sleep because while the brain and other body systems become more active, muscles become more relaxed. Dreaming occurs due because of increased brain activity, but voluntary muscles become paralyzed. = =

= Mnemonics: = =A recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep.=

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