A presentation on prezi presentations that will amaze and inspire your audience. Stage 3 is a moderate deep sleep stage and lasts for approximately 10 minutes. Exploring the necessity and virtue of sleep the new york times. Nrem sleep contains all stages of sleep except rem there are 5, although this is debatable. This book is distributed under the terms of the creative commons. Twenty years ago, he was diagnosed with sleep apnea, a condition in which. Sleep stages and circadian rhythms video khan academy.
Sleep is largely driven by the bodys internal clock, which takes cues from external elements such as sunlight and temperature. Nonrapid eye movement sleep nrem, also known as quiescent sleep, is, collectively, sleep. Did you know there is a lot going on in your mind and body when you are asleep. Psychology, a lowpriced alternative to a traditional textbook. Also known as paradoxical sleep, because the muscles are relaxed except for minor twitches but other body systems are active. You may not be aware of it, but your brain cycles through five different stages of.
My textbook states there are four stages of nrem sleep as well as rem sleep. Typically, it is said that the more beta waves, the more active and awake your brain. E it involves decreased blood pressure and heart rate. Sleep is the balm that soothes and restores after a long day. An individual is external relaxed and becomes less and less responsive to external stimuli. The first stage of nrem sleep is known as stage 1 sleep. Two books look at why getting a good nights rest is essential.
We have unique brain wave patterns for sleeping and different s. The best ap psychology books before we get to the list, ill give you several types of ap psychology books so you can decide which ones to get based on your ability level and needs as a student. C it alternates with nrem sleep in 30minute cycles. In this stage your brain wave activity is composed mainly of alpha and beta wave activity. The brain displays a variety of activity patterns at different stages of sleep. During this time, there is a slowdown in both the rates of respiration and heartbeat. Psychology of consciousness and sleep psychology class notes. Walker, a professor of neuroscience and psychology at the university of california.
Ap psychology exam multiple choice practice flashcards. Nrem sleep is subdivided into several stages numbered 1 to 3. Nrem stages 1 and 2 are characterized by theta waves, while nrem stage 3. Nrem sleep nonrapid eye movement sleep sleep involving partial thoughts, images,or stories. This is the most common of sleep illnesses and is commonly related to psychological stressors, poor. After a good nights sleep, were more productive, alert, and ready for the day. There are 3 degrees of illness with obstructive sleep apnea mild. A recurring sleep stage during which vivid dreams commonly occur. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Given that swst sleep parasomnias are associated with a dissociated state between n3 sleep and arousal, and rbd is associated with rem sleep, it is reasonable to suggest that the enacted dreams. A period of sleep lasting about 90 minutes and including one or more stages of nrem sleep, followed by rem sleep. Sleep apnea breathing stops while someone is asleep.
Why is stage four nrem sleep not mentioned in this video. D it occurs during the first half of an individuals sleep cycle. The causes of early morning awakenings can include sleep apnea and insomnia. Occurs during nrem3 sleep, within 23 hours of falling asleep, and are seldom remembered. Chapter 07 states of consciousness, psychology, by david g. Common in children and the symptoms are sitting up or walking around, talking incoherently, doubled heart and breathing rates, and generally terrified. Stage 1 sleep is a transitional phase that occurs between wakefulness and sleep, the period during which we drift off to sleep.