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Is it hard for you to fall asleep or stay asleep through the night? Do you wake up feeling tired or feel very sleepy during the day, even if you have had enough sleep? You might have a sleep disorder. The most common kinds are

• Insomnia - a hard time falling or staying asleep
• Sleep apnea - breathing interruptions during sleep
• Restless legs syndrome - a tingling or prickly sensation in the legs
• Narcolepsy - daytime "sleep attacks"

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