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Nobody knows why we sleep, but we all need to. There are no rules about how much sleep is necessary but on an average an adult sleeps for 7 hours 20 minutes. About 8% of adults are happy with 5 hours or less and 4% want 10 hours or more. Babies need between 14 to 18 hours whereas the elderly need less than they did when young but often take a nap during the day.If you miss a couple of hours of sleep, no harm is done. You may feel tired and irritable the next day but the body soon makes up for the loss if you try to stay awake night after night, however, you soon begin to behave strangely. You lose the ability to concentrate and your judgment is impaired. You begin to imagine strange things and your behaviour becomes deranged.There are a number of causes for sleeplessness. Worry and depression are the most common. All kinds of things in the environment can affect sleep—noise, light, cold, new surroundings, etc. Pain in illness can also keep people awake. Many people become addicted to their sleeping pills but sleeping pills do not deal with the causes of insomnia and it is better to avoid them if you can. It is much better to identify the problem and remove it.On the basis of your reading of the passage, choose the correct option:Q. Mark the following statement as True or False.1. On an average an adult sleeps for 7 hours and 20 minutes.2 . If not slept properly even for a day one is unable to concentrate and starts behaving peculiarly.3. If one stays awake night after night, he soon begins to imagine strange things.4. Worry and depression are not the causes of sleeplessness rather they are results of sleeplessness.a),(1), (2), (3) are true and (4) is falseb)All are truec)All are falsed)(1) and (3) are true but (2) and (4) are false.Correct answer is option 'D'. Can you explain this answer? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Nobody knows why we sleep, but we all need to. There are no rules about how much sleep is necessary but on an average an adult sleeps for 7 hours 20 minutes. About 8% of adults are happy with 5 hours or less and 4% want 10 hours or more. Babies need between 14 to 18 hours whereas the elderly need less than they did when young but often take a nap during the day.If you miss a couple of hours of sleep, no harm is done. You may feel tired and irritable the next day but the body soon makes up for the loss if you try to stay awake night after night, however, you soon begin to behave strangely. You lose the ability to concentrate and your judgment is impaired. You begin to imagine strange things and your behaviour becomes deranged.There are a number of causes for sleeplessness. Worry and depression are the most common. All kinds of things in the environment can affect sleep—noise, light, cold, new surroundings, etc. Pain in illness can also keep people awake. Many people become addicted to their sleeping pills but sleeping pills do not deal with the causes of insomnia and it is better to avoid them if you can. It is much better to identify the problem and remove it.On the basis of your reading of the passage, choose the correct option:Q. Mark the following statement as True or False.1. On an average an adult sleeps for 7 hours and 20 minutes.2 . If not slept properly even for a day one is unable to concentrate and starts behaving peculiarly.3. If one stays awake night after night, he soon begins to imagine strange things.4. Worry and depression are not the causes of sleeplessness rather they are results of sleeplessness.a),(1), (2), (3) are true and (4) is falseb)All are truec)All are falsed)(1) and (3) are true but (2) and (4) are false.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Nobody knows why we sleep, but we all need to. There are no rules about how much sleep is necessary but on an average an adult sleeps for 7 hours 20 minutes. About 8% of adults are happy with 5 hours or less and 4% want 10 hours or more. Babies need between 14 to 18 hours whereas the elderly need less than they did when young but often take a nap during the day.If you miss a couple of hours of sleep, no harm is done. You may feel tired and irritable the next day but the body soon makes up for the loss if you try to stay awake night after night, however, you soon begin to behave strangely. You lose the ability to concentrate and your judgment is impaired. You begin to imagine strange things and your behaviour becomes deranged.There are a number of causes for sleeplessness. Worry and depression are the most common. All kinds of things in the environment can affect sleep—noise, light, cold, new surroundings, etc. Pain in illness can also keep people awake. Many people become addicted to their sleeping pills but sleeping pills do not deal with the causes of insomnia and it is better to avoid them if you can. It is much better to identify the problem and remove it.On the basis of your reading of the passage, choose the correct option:Q. Mark the following statement as True or False.1. On an average an adult sleeps for 7 hours and 20 minutes.2 . If not slept properly even for a day one is unable to concentrate and starts behaving peculiarly.3. If one stays awake night after night, he soon begins to imagine strange things.4. Worry and depression are not the causes of sleeplessness rather they are results of sleeplessness.a),(1), (2), (3) are true and (4) is falseb)All are truec)All are falsed)(1) and (3) are true but (2) and (4) are false.Correct answer is option 'D'. Can you explain this answer?.

Solutions for Nobody knows why we sleep, but we all need to. There are no rules about how much sleep is necessary but on an average an adult sleeps for 7 hours 20 minutes. About 8% of adults are happy with 5 hours or less and 4% want 10 hours or more. Babies need between 14 to 18 hours whereas the elderly need less than they did when young but often take a nap during the day.If you miss a couple of hours of sleep, no harm is done. You may feel tired and irritable the next day but the body soon makes up for the loss if you try to stay awake night after night, however, you soon begin to behave strangely. You lose the ability to concentrate and your judgment is impaired. You begin to imagine strange things and your behaviour becomes deranged.There are a number of causes for sleeplessness. Worry and depression are the most common. All kinds of things in the environment can affect sleep—noise, light, cold, new surroundings, etc. Pain in illness can also keep people awake. Many people become addicted to their sleeping pills but sleeping pills do not deal with the causes of insomnia and it is better to avoid them if you can. It is much better to identify the problem and remove it.On the basis of your reading of the passage, choose the correct option:Q. Mark the following statement as True or False.1. On an average an adult sleeps for 7 hours and 20 minutes.2 . If not slept properly even for a day one is unable to concentrate and starts behaving peculiarly.3. If one stays awake night after night, he soon begins to imagine strange things.4. Worry and depression are not the causes of sleeplessness rather they are results of sleeplessness.a),(1), (2), (3) are true and (4) is falseb)All are truec)All are falsed)(1) and (3) are true but (2) and (4) are false.Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 8. Download more important topics, notes, lectures and mock test series for Class 8 Exam by signing up for free.

Here you can find the meaning of Nobody knows why we sleep, but we all need to. There are no rules about how much sleep is necessary but on an average an adult sleeps for 7 hours 20 minutes. About 8% of adults are happy with 5 hours or less and 4% want 10 hours or more. Babies need between 14 to 18 hours whereas the elderly need less than they did when young but often take a nap during the day.If you miss a couple of hours of sleep, no harm is done. You may feel tired and irritable the next day but the body soon makes up for the loss if you try to stay awake night after night, however, you soon begin to behave strangely. You lose the ability to concentrate and your judgment is impaired. You begin to imagine strange things and your behaviour becomes deranged.There are a number of causes for sleeplessness. Worry and depression are the most common. All kinds of things in the environment can affect sleep—noise, light, cold, new surroundings, etc. Pain in illness can also keep people awake. Many people become addicted to their sleeping pills but sleeping pills do not deal with the causes of insomnia and it is better to avoid them if you can. It is much better to identify the problem and remove it.On the basis of your reading of the passage, choose the correct option:Q. Mark the following statement as True or False.1. On an average an adult sleeps for 7 hours and 20 minutes.2 . If not slept properly even for a day one is unable to concentrate and starts behaving peculiarly.3. If one stays awake night after night, he soon begins to imagine strange things.4. Worry and depression are not the causes of sleeplessness rather they are results of sleeplessness.a),(1), (2), (3) are true and (4) is falseb)All are truec)All are falsed)(1) and (3) are true but (2) and (4) are false.Correct answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Nobody knows why we sleep, but we all need to. There are no rules about how much sleep is necessary but on an average an adult sleeps for 7 hours 20 minutes. About 8% of adults are happy with 5 hours or less and 4% want 10 hours or more. Babies need between 14 to 18 hours whereas the elderly need less than they did when young but often take a nap during the day.If you miss a couple of hours of sleep, no harm is done. You may feel tired and irritable the next day but the body soon makes up for the loss if you try to stay awake night after night, however, you soon begin to behave strangely. You lose the ability to concentrate and your judgment is impaired. You begin to imagine strange things and your behaviour becomes deranged.There are a number of causes for sleeplessness. Worry and depression are the most common. All kinds of things in the environment can affect sleep—noise, light, cold, new surroundings, etc. Pain in illness can also keep people awake. Many people become addicted to their sleeping pills but sleeping pills do not deal with the causes of insomnia and it is better to avoid them if you can. It is much better to identify the problem and remove it.On the basis of your reading of the passage, choose the correct option:Q. Mark the following statement as True or False.1. On an average an adult sleeps for 7 hours and 20 minutes.2 . If not slept properly even for a day one is unable to concentrate and starts behaving peculiarly.3. If one stays awake night after night, he soon begins to imagine strange things.4. Worry and depression are not the causes of sleeplessness rather they are results of sleeplessness.a),(1), (2), (3) are true and (4) is falseb)All are truec)All are falsed)(1) and (3) are true but (2) and (4) are false.Correct answer is option 'D'. Can you explain this answer?, a detailed solution for Nobody knows why we sleep, but we all need to. There are no rules about how much sleep is necessary but on an average an adult sleeps for 7 hours 20 minutes. About 8% of adults are happy with 5 hours or less and 4% want 10 hours or more. Babies need between 14 to 18 hours whereas the elderly need less than they did when young but often take a nap during the day.If you miss a couple of hours of sleep, no harm is done. You may feel tired and irritable the next day but the body soon makes up for the loss if you try to stay awake night after night, however, you soon begin to behave strangely. You lose the ability to concentrate and your judgment is impaired. You begin to imagine strange things and your behaviour becomes deranged.There are a number of causes for sleeplessness. Worry and depression are the most common. All kinds of things in the environment can affect sleep—noise, light, cold, new surroundings, etc. Pain in illness can also keep people awake. Many people become addicted to their sleeping pills but sleeping pills do not deal with the causes of insomnia and it is better to avoid them if you can. It is much better to identify the problem and remove it.On the basis of your reading of the passage, choose the correct option:Q. Mark the following statement as True or False.1. On an average an adult sleeps for 7 hours and 20 minutes.2 . If not slept properly even for a day one is unable to concentrate and starts behaving peculiarly.3. If one stays awake night after night, he soon begins to imagine strange things.4. Worry and depression are not the causes of sleeplessness rather they are results of sleeplessness.a),(1), (2), (3) are true and (4) is falseb)All are truec)All are falsed)(1) and (3) are true but (2) and (4) are false.Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of Nobody knows why we sleep, but we all need to. There are no rules about how much sleep is necessary but on an average an adult sleeps for 7 hours 20 minutes. About 8% of adults are happy with 5 hours or less and 4% want 10 hours or more. Babies need between 14 to 18 hours whereas the elderly need less than they did when young but often take a nap during the day.If you miss a couple of hours of sleep, no harm is done. You may feel tired and irritable the next day but the body soon makes up for the loss if you try to stay awake night after night, however, you soon begin to behave strangely. You lose the ability to concentrate and your judgment is impaired. You begin to imagine strange things and your behaviour becomes deranged.There are a number of causes for sleeplessness. Worry and depression are the most common. All kinds of things in the environment can affect sleep—noise, light, cold, new surroundings, etc. Pain in illness can also keep people awake. Many people become addicted to their sleeping pills but sleeping pills do not deal with the causes of insomnia and it is better to avoid them if you can. It is much better to identify the problem and remove it.On the basis of your reading of the passage, choose the correct option:Q. Mark the following statement as True or False.1. On an average an adult sleeps for 7 hours and 20 minutes.2 . If not slept properly even for a day one is unable to concentrate and starts behaving peculiarly.3. If one stays awake night after night, he soon begins to imagine strange things.4. Worry and depression are not the causes of sleeplessness rather they are results of sleeplessness.a),(1), (2), (3) are true and (4) is falseb)All are truec)All are falsed)(1) and (3) are true but (2) and (4) are false.Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Nobody knows why we sleep, but we all need to. There are no rules about how much sleep is necessary but on an average an adult sleeps for 7 hours 20 minutes. About 8% of adults are happy with 5 hours or less and 4% want 10 hours or more. Babies need between 14 to 18 hours whereas the elderly need less than they did when young but often take a nap during the day.If you miss a couple of hours of sleep, no harm is done. You may feel tired and irritable the next day but the body soon makes up for the loss if you try to stay awake night after night, however, you soon begin to behave strangely. You lose the ability to concentrate and your judgment is impaired. You begin to imagine strange things and your behaviour becomes deranged.There are a number of causes for sleeplessness. Worry and depression are the most common. All kinds of things in the environment can affect sleep—noise, light, cold, new surroundings, etc. Pain in illness can also keep people awake. Many people become addicted to their sleeping pills but sleeping pills do not deal with the causes of insomnia and it is better to avoid them if you can. It is much better to identify the problem and remove it.On the basis of your reading of the passage, choose the correct option:Q. Mark the following statement as True or False.1. On an average an adult sleeps for 7 hours and 20 minutes.2 . If not slept properly even for a day one is unable to concentrate and starts behaving peculiarly.3. If one stays awake night after night, he soon begins to imagine strange things.4. Worry and depression are not the causes of sleeplessness rather they are results of sleeplessness.a),(1), (2), (3) are true and (4) is falseb)All are truec)All are falsed)(1) and (3) are true but (2) and (4) are false.Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice Class 8 tests.