Rem Nrem Essay examples

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Your psychology instructor mentioned that during a night of sleep, a person goes through cycles of light and deep sleep, while also experiencing dreams. Using a description of the stages of NREM and REM, describe a night of sleep. When you lay down at night after a long hard day, you probably think that your sleeping patterns are going to be different every night depending on what you did that day. But that’s not entirely true, sleep actually follows a pretty predictable pattern each night. Each cycle of sleep lasts about ninety minutes and contains four different stages. The type that we experience in all four stages is called NREM (non-rapid eye movement). When you are in this type of sleep, your body experiences a lot of things. In this type of sleep our heart and respiration rates are steady and slow, movements are minimal, and our brain activity and blood pressure are at their lowest in the 24-hour period. As you can see, our bodies experience a lot of things while we are asleep. It’s amazing that we aren’t even aware of it. NREM occurs in all four stages of sleep. In stage one, irregular waves with some alpha waves occur along with transition from waking to sleeping. In stage two we transfer from light to deeper sleep and experience sleep spindles which are waves with alternating periods of calm and flashes of intense activity appear. Stage three consists of deeper sleep and contains slow wave sleep, which happens when EEG shows 20% of brain waves. The final and fourth stage contains the deepest sleep and begins when 50% of waves are delta waves. After about 40 minutes of being in stage 4 sleep, delta waves begin to disappear. When that occurs, we go back through stage 3 sleep and stage two until we get back to stage 1 sleep again. As we go back into stage 1, our pathway through the night drifts into REM (rapid eye movement) sleep. During this time, our brains are highly active. Epinephrine

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being NREM sleep, and the second being REM sleep. NREM is an acronym that stands for “Non Rapid Eye Movement” and REM is “Rapid Eye Movement.” NREM sleep is often referred to as “quiet sleep” because during the stages of NREM sleep, the heart slows down, breathing becomes fainter, the body has little to no movement, and your blood pressure and brain activity gradually decrease. However, NREM sleep is not the sleep that you usually get or need. You can still be easily woken up while under NREM sleep…

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Respiration monitor • Sleep lab • Video monitoring • Self-reports. Chapter 5- Sleep |Awake |Beta Waves |Alert and Awake | | | | |NREM 1 |Mix of Alpha and |Hypnic Jerks |5-10 minutes |Heart rate, | | | |Theta | | |breathing rate irregular…

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stages and waking activity from newborn to Elderly. What was a very interest to me was that the amount of NREM sleep increases and the amount of REM sleep decreases during the first years of life? At first, I was thinking really, I didn’t know that it increase and decrease the first years of life but reading more about it I understand why the increases and decreases happen in that stages. The NREM-REM Cycle increases from infancy to adulthood which was really interesting to know that how it changes over…

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The two main phases of sleep are rapid eye movement (REM) and non-rapid eye movement (NREM). Sleep begins in the phase known as NREM sleep. The first stage of NREM sleep begins with the feeling of “drifting off”. Stage two of NREM sleep involves a change in brain wave patterns. The third and fourth stages of NREM sleep are the deepest levels of sleep. Sleep terrors, sleep walking, and bedwetting episodes generally occur within stage four of NREM sleep (Hanrahan, 2006). Typically it takes about 90…

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(10 seconds-2 minutes). Occurs during REM or NREM. Bruxism- clenching and grinding of teeth. Occurs during stage II NREM sleep. Enuresis- Bed-wetting during sleep. Occurs in children over 3 years in NREM stages 3 and 4. Periodic limb movements- legs jerk twice or three times per minute in sleep. Mostly due to restless leg syndrome. Sleep taling- talking during sleep. Occurs in NREM before REM sleep. Somnambulism- sleepwalking. Occurs in stage 3 and 4 of NREM sleep, 1 to 2hrs after falling asleep…

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