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What is excessive daytime sleepiness (EDS)?

Sleepiness during the day, or excessive daytime sleepiness (EDS), is defined as an inability to stay awake, especially in situations when wakefulness is important. These include at work, while caring for children and while behind the wheel of a car. In general, EDS can be a symptom of a sleep disorder or insufficient sleep.
Excessive daytime sleepiness is a common problem of adolescence, and it is usually caused by insufficient sleep, but may be associated with serious conditions such as narcolepsy, (falling asleep suddenly many times during the day), sleep apnea or the delayed sleep phase syndrome (an inability to fall asleep until 3 or 4 am, and trouble getting out of bed in the morning). Treatment for delayed sleep phase syndrome includes encouraging good sleep habits, strict scheduling, phototherapy, and sometimes medication.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.