Sleep Cycle You may be surprised to learn that we still don’t fully understand why people need to sleep and what purpose sleep serves. Doctors and researchers had thought many years ago that sleep was a single state of being that was distinguished from waking. However‚ we now know that sleep itself is divided into two distinctly different states: REM‚ or rapid eye movement sleep‚ and non-REM sleep. Non-REM sleep is the state of sleep entered when we first start to doze off. Non-REM sleep state
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Sleep Paralysis: Awake But Still Asleep A person may wake up and find himself unable to move or speak as if he is frozen. He also may hear footsteps‚ see a ghost-like creature‚ or feel someone sitting on his chest. Throughout the history‚ people considered this phenomenon as work done by evil spirits. However‚ the modern science can explain the terrifying event as a Sleep Paralysis. A Sleep Paralysis is possibly a hereditary disorder in which one experiences very frightening seconds or minutes
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Sleep is one of the most important things a person does each day. It allows the body to rest and to replenish itself so that it is better able to serve its function of living. Yet many people who don’t have enough hours in the day to do everything have to cut out sleep before any other activity. This is especially true for teenagers‚ who most nights are frantically trying to finish writing essays and completing worksheets before the clock strikes twelve‚ or are busy participating in after school
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a sleep an dreams: concious while asleep I. introduction- sleep is not a single state; instead‚ its a complex combinatination of states‚ some involving conscious awareness. II. stages of sleep- several states of conscious awareness are part of the sleep process. A. walking conscious to semi-wakeful state B.four stages of deeper sleep. C.Dream Sleep III. Hypnagogic state- we do not always go directly from wakefulness to sleep. A. we day dream. B.pass to hypnagogic state.
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Humans sleep in order to rest muscles in the body‚ improve brain function‚ regulate moods and emotions‚ maintain immune system function‚ enhance learning‚ consolidate memory‚ and clear the brain of metabolic waste. During the night‚ the human body cycles though four stages of NREM sleep and REM sleep‚ each cycle lasting about ninety minutes. Throughout the four stages of NREM sleep‚ which typically last fifty to seventy minutes‚ brain activity slows and long delta brain waves increase. The rest of
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It’s natural to blame sleep problems on stress or physical changes that come with age. But many cases of either sleeplessness or poor sleep are caused by a handful of specific problems‚ most of them fixable with lifestyle changes or the help of a doctor. Here‚ five little-known causes of sleep problems and what to do about them. 1. Light How it disrupts sleep: You probably already know that when you stay up late under bright lights‚ you interrupt your body’s natural sleep-wake cycle‚ because light
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Sleep Essay AP Psychology-Womble Due Date: ___________________________ Instructions: After logging all data into your sleep diary (including documenting the level of alertness twice a day using the Stanford Sleepiness Scale) write an essay including all of the following topics: Summarize in essay form the amount of sleep you get each night (compare weekdays‚ weekends‚ holidays‚ etc.) and the quality of sleep you get nightly. Discuss in your essay how you are impacted by the amount of
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Stages of Sleep The EEG (Electroencephalogram)of a waking person is clearly different than that of a sleeping person. The difference in EEG patterns that occur during sleep has made it possible to divide sleep into five different stages. Stage One We experience stage one of sleep when we are half asleep and half awake; our eyelids feel heavy‚ we feel groggy and suddenly without notice we fall asleep. Stage one counts for more or less 5% our total sleep during the night. Stage
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Should my baby sleep in the bed with me? I have asked this question to myself in preparation for our baby’s arrival. In my opinion‚ this is not a controversial topic‚ it is simply an individual’s opinion based on beliefs and instinct as a parent. I know there is so much information out there and decided to research the specifics. The forms of co-sleeping‚ bed sharing‚ or the family bed is a widely discussed topic around the world. In my opinion‚ sleep sharing includes any sleep arrangement within
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knowledge on sleep but are still looking for better treatments * How can we sleep in different habitats? Underground‚ deep sea‚ and space * Recently discovered: people in a study on space sleeping found that the individuals went lethargic and had depression issues‚ didn’t move much and avoided crucial exercise (important because we don’t want to send depressed people on long voyages) * Origin of the word sleep: somnus (roman god of sleep) and hypnos (greek god of sleep)= part of the
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