Sleep Index

Featured: Sleep Main Article

A number of vital tasks carried out during sleep help maintain good health and enable people to function at their best. Sleep needs vary from individual to individual and change throughout your life. Not getting enough sleep can hurt memory performance, health, and your mood.

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    Related Diseases & Conditions

    • Sleep: A Dynamic Activity Second Source article from Government...learn more »
    • Periodic Limb Movement Disorder Periodic limb movement disorder (PLMD) is a sleep disorder characterized by rhythmic movements of the limbs during sleep. The...learn more »
      In This Article
      Periodic Limb Movement Disorder Article
      • Introduction to periodic limb movement disorder
      • What causes periodic limb movement disorder?
      • What are the symptoms of periodic limb movement disorder?
      • How is periodic limb movement disorder diagnosed?
      • How is periodic limb movement disorder treated?
      • What should someone with periodic limb movement disorder avoid?
    • Holiday Depression, Anxiety, and Stress Though the holidays are a fun time for most, for others, they're a sad, lonely and anxiety-filled time. Get tips on how to avoid...learn more »
      In This Article
      Holiday Depression, Anxiety, and Stress Article
      • Holiday depression, anxiety, and stress facts
      • What causes the holiday blues?
      • Is the environment and reduced daylight a factor in wintertime sadness?
      • What are symptoms and signs of holiday depression, anxiety, and stress?
      • How is holiday anxiety, stress, and depression diagnosed?
      • What is the treatment for holiday depression, anxiety, and stress?
      • Can holiday anxiety, stress, and depression be prevented?
    • Heart Attack Prevention Overview Heart attacks are the major causes of unexpected, sudden death among men and women. A heart attack is also a significant cause of...learn more »
      In This Article
      Heart Attack Prevention Overview Article
      • Introduction
      • What is atherosclerosis?
      • What are coronary heart diseases (CHD)?
      • What is angina pectoris?
      • What is a heart attack?
      • Ventricular fibrillation
      • Heart failure
      • What is cerebral vascular disease?
      • Ischemic stroke
      • Hemorrhagic stroke
      • Transient ischemic attack (TIA)
      • When does the coronary atherosclerosis process begin?
      • Have most people done enough to prevent atherosclerosis and heart attacks?
      • What are the risk factors for coronary atherosclerosis and heart disease?
      • How can coronary atherosclerosis and heart attacks be prevented?
    • Fatigue Fatigue can be described in various ways. Sometimes fatigue is described as feeling a lack of energy and motivation (both mental...learn more »
      In This Article
      Fatigue Article
      • Fatigue Facts
      • Fatigue introduction
      • What causes fatigue?
      • What are the signs and symptoms of fatigue?
      • How is the cause of fatigue diagnosed?
      • What is the treatment for fatigue?
      • Can fatigue be prevented?
    • Sleep and Sleep Disorders in Children and Teenagers Sleep needs in children and teenagers depends on the age of the child. Sleep disorders in children such as sleep apnea,...learn more »
      In This Article
      Sleep and Sleep Disorders in Children and Teenagers Article
      • How much sleep do children need?
      • Can a lack of sleep impact a child's behavior?
      • What is sleep hygiene?
      • What are some common sleep disorders in children?
      • Sleep Apnea symptoms in children
      • Parasomnia symptoms in children
      • Confusional arousal symptoms in children
      • Night terror symptoms in children
      • Narcolepsy symptoms in children
      • Sleepwalking symptoms in children
      • Do teenagers have the same sleep requirements as younger children?
      • How can I teach my child or teenager healthy sleep habits and good sleep hygiene?
      • What are some ways I can help my child or teenager get a better night's sleep?
      • What are some "don'ts" for getting my child or teen to sleep?

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Terms related to Sleep:

  • Disorders, Sleep
  • NREM Sleep
  • REM Sleep
  • Sleep Disorders
  • Sleep Problems
  • Stage N1 Sleep
  • Stage N2 Sleep
  • Stage N3 Sleep