Purpose: To inform the audience about what sleep is and how it helps the body. Central Idea: That sleep is good for you and you should get your eight hours of it! Introduction: I’m sure everyone likes sleep. Everyone needs sleep to keep the least bit active through out there day. Sleep is an important factor for your body to restore energy. Sleeping is a time to rest your body from all the hard work you have done. It is relaxing so deeply that you lose consciousness of your surroundings. Preview Statement: Today I’d like to discuss and inform the audience about sleep. The first thing I want to tell you about is what sleep really is. The next thing I will explain is how sleep helps your body. Finally, I will talk about different sleeping disorders people are living with.
I. By definition, medical-dictionary.thefreedictionary.com states that sleep is a natural periodic state of rest for the mind and body, in which the eyes usually close and consciousness is completely or partially lost, so that there is a decrease in bodily movement and responsiveness to external stimuli. a. This site also mentioned that during sleep the brain in humans and other mammals undergo a characteristic cycle of brain-wave activity that includes intervals of dreaming. These intervals of dreaming can be divided into two categories. i. NREM sleep and REM sleep. There are five stages of sleep. 1. The first four stages of sleep are NREM sleep. NREM sleep is the non-rapid eye movement sleep; during the first stage of this type of sleep, you are in a battle of going to sleep but staying awake. In like the fourth stage, you really notice how NREM sleep is. NREM is the deep, dreamless period of sleep during which the brain waves are slow and of high voltage, and autonomic activities, such as heart rate and blood pressure, are low and regular. 2. REM sleep is the fifth stage or the last stage and is exactly opposite of NREM. This type of sleep is associated with dreaming, mild involuntary muscle jerks, and rapid eye movements. It usually occurs three to four times each night at intervals of 80 to 120 minutes, each occurrence lasting from 5 minutes to more than an hour. b. Most people tend to want to go to sleep when they are bored for example i. Reading a 1462 history book or listening for hours to a mono-tone old man talk about how he and his dog are best friends. ii. Or they tend to go to sleep when they’re real worn out or haven’t had enough sleep. Transition: Now that you sort of understand why, when and what sleeping actually is, I can now explain How sleeping effects your body and how it helps it in a good way! II. There are so many things in sleeping that are beneficial to the body. When someone tells you that you should get your 8 hours of sleep, don’t be stubborn and get your 8 hours of sleep!! About.com lists a few of these things. a. One thing that it mentions is how a good night's sleep makes you feel energized and alert the next day. i. Being engaged and active not only feels great, it increases your chances for another good night's sleep. b. Another thing that it mentions is that sleep helps your memory. i. A process called memory consolidation occurs during sleep. While your body may be resting, your brain is busy processing your day, making connections between events, sensory input, feelings and memories. ii. Getting more sleep will help you remember and process things better. c. A third thing is that sleep may help you loose weight. i. Researchers have found that people who sleep less than seven hours per night have impact on the balance of hormones in the body that affect appetite and are more...
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