About Sleep

Read the short text. Read and complete the sentence with the correct part. When a person sleeps, a person's brain maintains proper blood sugar levels, regulates hormones that control appetite and metabolism. A person's brain reduces high blood pressure. A good night sleep leads to better physical, mental and emotional health. A person may often feel cranky and tired, have a short temper. A person is unable to think clearly without enough sleep. A person may struggle with following instructions having an argument with parents or friends and has difficulty doing things that are usually easy to do. It becomes more difficult to concentrate and to remember things. If people don't get enough sleep, ___

Read the short text. Read the question and choose the correct answer. Your lack of sleep can affect growth and your immune system. You can become sick more easily, and it takes longer to heal from a cold, flu, injuries and other illnesses. Though scientists don't completely understand everything about sleep, they think that most people have typical sleep which includes four stages or cycles of normal sleep. Which statement is false, according to the text?

Read the short text. Read and complete the sentence with the correct part. Deep sleep provides the best rest for a person. However, if your day sleep is long, it will be more difficult to fall asleep at night because your need for sleep will be reduced. If your day sleep is long, ___

Read the short text. Read the question and choose the correct answer. Stage one is light sleep, and a human's body begins to feel a little drowsy. This stage only lasts from 1 to 10 minutes. If you wake during this stage, you will feel like you have never slept at all. Your breathing slows down, there is a regular heartbeat, but blood pressure and brain temperature decrease. During stage one, a hypnic jerk like a twitch may occur, and you may wake. If you don't get enough sleep, you may doze off at the desk and may suddenly awake during the class. You may feel like their falling. What may happen to your body during your light sleep?

Read the short text. Read and complete the sentence with the correct part. Sleep is a condition of your body and mind in which a nervous system is relatively inactive. Your eyes are closed, muscles are relaxed, and consciousness is mostly suspended for several hours. There are 24 hours in one day, there are 168 hours in a week, and there are 8,760 hours in a year. The average amount of sleep, which many people get each day, should be about 8 hours. It is one-third of a day. If you live 90 years old, you will sleep for 30 years in your life. Every living thing needs to sleep and to rest. A person should sleep ___

Read the short text. Read the question and choose the correct answer. Sleep is a condition of your body and mind in which a nervous system is relatively inactive. Your eyes are closed, muscles are relaxed, and consciousness is mostly suspended for several hours. There are 24 hours in one day, there are 168 hours in a week, and there are 8,760 hours in a year. The average amount of sleep, which many people get each day, should be about 8 hours. It is one-third of a day. If you live 90 years old, you will sleep for 30 years in your life. Every living thing needs to sleep and to rest. What is sleep, according to the text?

Read the short text. Read and complete the sentence with the correct part. Stage three usually lasts from 35 to 45 minutes after falling asleep, and your brain waves slow down and decrease. You can sleep easily through many disturbances such as noises and movements. Waking up will cause disorientation and confusion for a few moments. Other names for this stage include 'slow-wave sleep' and 'Delta sleep'. Sleepwalking, night terrors and sleep talking may occur during this stage. During stage three of sleep, ___

Read the short text. Read the question and choose the correct answer. Stage two is your slightly deeper sleep as your brain sends signals to your muscles to relax, and your heartbeats slow down. Breathing slows down, and a body's temperature drops as eye movement stops. Brain waves slow down with an occasional burst of rapid brain waves. This stage usually lasts about 20 minutes, and it begins to become harder to awaken. About 45% of your night is stage two of sleep. Which statement is true, according to the text?

Read the short text. Read the question and choose the correct answer. Stage four is your deepest sleep, and it is very difficult to awake sometimes. Your dreams take place, heartbeats increase, breathing and rhythms become irregular. It is usually longer than other stages of sleep. It occurs about 90 minutes after falling asleep. Which statement is false, according to the text?

Read the short text. Read and complete the sentence with the correct part. When a person sleeps, a person's brain maintains proper blood sugar levels, regulates hormones that control appetite and metabolism. A person's brain reduces high blood pressure. A good night sleep leads to better physical, mental and emotional health. A person may often feel cranky and tired, have a short temper. A person is unable to think clearly without enough sleep. A person may struggle with following instructions having an argument with parents or friends and has difficulty doing things that are usually easy to do. It becomes more difficult to concentrate and to remember things. If people get enough sleep, ___