Lack of sleep

Later you may skip the gym and pick up takeout on your way home to your family -- no time to cook.

Lack of sleep

Sleep deficiency Lack of sleep a broader concept. It occurs if you have one or more of the following: You don't get enough sleep sleep deprivation You sleep at the wrong time of day that is, you're out of sync with your body's natural clock You don't sleep well or get all of the different types of sleep that your body needs You have a sleep disorder that prevents you from getting enough sleep or causes poor quality sleep This article focuses on sleep deficiency, unless otherwise noted.

Sleeping is a basic human need, like eating, drinking, and breathing. Like these other needs, sleeping is a vital part of the foundation for good health and well-being throughout your lifetime. Sleep deficiency can lead to physical and mental health problems, injuries, loss of productivity, and even a greater risk of death.

Overview To understand sleep deficiency, it helps to understand how sleep works and why it's important. Non-REM sleep includes what is commonly known as deep sleep or slow wave sleep.

Dreaming typically occurs during REM sleep. Your ability to function and feel well while you're awake depends on whether you're getting enough total sleep and enough of each type of sleep. It also depends on whether you're sleeping at a time when your body is prepared and ready to sleep.

You have an internal "body clock" that controls when you're awake and when your body is ready for sleep. This clock typically follows a hour repeating rhythm called the circadian rhythm.

The rhythm affects every cell, tissue, and organ in your body and how they work. For more information, go to "What Makes You Sleep? You may not feel refreshed and alert when you wake up. Sleep deficiency can interfere with work, school, driving, and social functioning.

You might have trouble learning, focusing, and reacting. Also, you might find it hard to judge other people's emotions and reactions. Sleep deficiency also can make you feel frustrated, cranky, or worried in social situations.

The signs and symptoms of sleep deficiency may differ between children and adults. Children who are sleep deficient might be overly active and have problems paying attention. They also might misbehave, and their school performance can suffer.

Lack of sleep

Outlook Sleep deficiency is a common public health problem in the United States. People in all age groups report not getting enough sleep. As part of a health survey for the Centers for Disease Control and Prevention, about 7—19 percent of adults in the United States reported not getting enough rest or sleep every day.

Nearly 40 percent of adults report falling asleep during the day without meaning to at least once a month. Also, an estimated 50 to 70 million Americans have chronic ongoing sleep disorders. Sleep deficiency is linked to many chronic health problems, including heart diseasekidney disease, high blood pressurediabetes, strokeobesityand depression.

Sleep deficiency also is associated with an increased risk of injury in adults, teens, and children. For example, driver sleepiness not related to alcohol is responsible for serious car crash injuries and death.

In the elderly, sleep deficiency might be linked to an increased risk of falls and broken bones. In addition, sleep deficiency has played a role in human errors linked to tragic accidents, such as nuclear reactor meltdowns, grounding of large ships, and aviation accidents. A common myth is that people can learn to get by on little sleep with no negative effects.

However, research shows that getting enough quality sleep at the right times is vital for mental health, physical health, quality of life, and safety.

What Makes You Sleep? Many factors play a role in preparing your body to fall asleep and wake up. The body clock typically has a hour repeating rhythm called the circadian rhythm.

Two processes interact to control this rhythm. The first is a pressure to sleep that builds with every hour that you're awake.

This drive for sleep reaches a peak in the evening, when most people fall asleep. A compound called adenosine ah-DEN-o-seen seems to be one factor linked to this drive for sleep. While you're awake, the level of adenosine in your brain continues to rise. The increasing level of this compound signals a shift toward sleep.

While you sleep, your body breaks down adenosine.You know lack of sleep can make you grumpy and foggy. You may not know what it can do to your sex life, memory, health, looks, and even ability to lose weight. Here are 10 surprising -- and. The lack of sleep associated with cancer is most often related to chronic sleep deprivation, sleep apnea, and shift work sleep disorder.

Sleep deprivation Generally, sleep deprivation refers to any time a person has not had sufficient sleep (defined as at least 7 hours nightly for adults, although the specific amount you need may be more or.

May 30,  · Sleep-deficient children may feel angry and impulsive, have mood swings, feel sad or depressed, or lack motivation. You may not notice how sleep deficiency affects your daily routine.

CDC - Sleep Home Page - Sleep and Sleep Disorders

A common myth is that people can learn to get by on little sleep with no negative effects. Lack of sleep can also affect how fast you recover if you do get sick.

During sleep, your immune system releases proteins called cytokines, some of which help promote sleep. Certain cytokines need to increase when you have an infection or inflammation, or when you're under stress.

Sleep is a naturally recurring state of mind and body, characterized by altered consciousness, relatively inhibited sensory activity, inhibition of nearly all voluntary muscles, and reduced interactions with surroundings.

Induced or perceived lack of sleep is called sleep deprivation.

Lack of sleep

Sleep deprivation can sometimes be self-imposed due to a lack of desire to sleep or the habitual use of stimulant drugs. Sleep deprivation is also self-imposed to achieve personal fame in .

Brain Basics: Understanding Sleep | National Institute of Neurological Disorders and Stroke