REM sleep is the process of phases in which there is low physical movement‚ and the propensity of the sleeper to dream vividly. The phase is also known as paradoxical sleep and sometimes desynchronized sleep because of the physiological similarities to being awake‚ including rapid‚ low-voltage desynchronized brain waves. The right and left hemispheres of the brain are more coherent in REM sleep‚ especially during lucid dreams. Two other neurotransmitters seem to promote wakefulness‚ diminish during
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Causes Of Sleep Deprivation Sleep is very important in our daily lives and we need about eight hours of sleep every night. Sleep helps the brain commit new information. When you have lack of sleep it is difficult to get up in the mornings‚ you feel sleepy throughout the day‚ and you’re just not feeling your best. Lifestyle is the biggest and most common cause of sleep deprivation. It affects the ability to sleep well in an individual’s life. Some people do not realize how their sleeping conditions
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Sleep Apnea One night I sleep with my husband and I feel his heart stop and pump up again by the time. This situation made me worried about him. I find out what wrong with him that was sleep apnea disease. Sleep apnea is a serious sleep disorder that occurs when a person’s breathing is interrupted during sleep. People with untreated sleep apnea stop breathing repeatedly during their sleep‚ sometimes hundreds of times. This means the brain -- and the rest of the body may not get enough oxygen. There
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Sleep consumes one third of our lives. Most people need a minimum of eight hours sleep each night for normal mind and body function. But how many hours sleep did you get last night? Changers in our lifestyles and modern technology have tended to reduce the amount and quality of the sleep we get. Sleep deprivation is becoming a major issue today but many people don’t recognize that it is a major health problem. This essay will show the consequences of not getting enough sleep. First‚ not getting
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have shown that the optimum amount of sleep a person should get each night is seven to eight hours. Many people have trouble getting this amount of sleep. Between work‚ family obligations‚ and household chores‚ too often a person gets only a few hours of sleep a night. What effect does sleep deprivation have on people? Sleep deprivation has a definite effect on learning‚ memory‚ and the ability to think clearly. If a person is not able to get a full night’s sleep after learning something new‚ he will
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Caffeine and Sleep • Sleep Topics Caffeine has been called the most popular drug in the world. It is found naturally in over 60 plants including the coffee bean‚ tea leaf‚ kola nut and cacao pod. All over the world people consume caffeine on a daily basis in coffee‚ tea‚ cocoa‚ chocolate‚ some soft drinks‚ and some drugs. Because caffeine is a stimulant‚ most people use it after waking up in the morning or to remain alert during the day. While it is important to note that caffeine cannot
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Obstructive sleep apnea is a sleep disorder that is defined by the absence of breathing for at least ten seconds due to obstruction of the airway. This obstruction can be caused by the tongue‚ soft palate or uvula relaxing and blocking the airway. A person with OSA will have noticeable breathing efforts‚ such as chest rise‚ but will not be able to take are into the lungs. This causes the person to startle awake. Often times the person with the sleep disorder is not even aware that they have a problem
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as a good night’s sleep‚ waking up in the morning bright and active to start the new day. There is also something very necessary about good sleep because if sleep is shortened or disrupted even for one night‚ most of us will feel tired and irritable until we have good quality sleep again. For most of the people‚ sleep at night re-fuels and services both body and mind‚ so as to be prepared for activities during the day. But for some reasons‚ there are some people experiencing sleep problems—one of which
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Discuss the nature of sleep ( AO1= 8‚ AO2=16) In this essay I will discuss the nature of sleep‚ in terms of: REM‚ NREM‚ and the physiology of sleep. There are two sorts of sleep: REM and NREM. REM and NREM are as different from each other as each is from wakefulness. NREM sleep is characterised by an idle brain in a very relaxed body; whereas REM sleep is characterised by a brain that appears to be wide awake in a virtually paralysed body. There are 4 stages to NREM sleep: ‘falling’‚ easily woken
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1689‚ p.1). Sleep paralysis causes psychological deficits in people of all ages. Sleep paralysis has been around for hundreds of years. There has been evidence of Persian doctors that have attempted to diagnose its symptoms around 865 C.E. – 925 C.E. (Sleep paralysis‚ 2012). The most recent known documentation after the Persian doctors is a case from 1664 by a Dutch physician. Isbrand Van Diemerbroeck diagnosed sleep paralysis as intercepting the motion of the voice and respiration (Sleep paralysis
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