•   Do you awake up tired in the morning, even after a long sleep?

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•   Do you wake up with a dry throat?

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•   Do you wake up with a sore throat?

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•   Do you sometimes wake up with a headache?

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•   Do you get sleepy during the day time?

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•   Do you fall asleep watching TV or reading?

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•   Do you get drowsy while driving for an hour or more?

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•   Have you noticed any increased irritability over time?

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•   Do you grind your teeth during sleep?

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•   Do you clench your teeth?

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•   Have you been told that you hold your breath while sleeping?

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•   Do you wake gasping for breath?

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•   Have you been snoring for more than 3 years?

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•   If so, has your snoring got worse recently?