Could be a million things, chronic stress, anxiety, allergies, sleep apnea, cardiological issues, asthma, thyroid issues, poor diet, etc. id see a doctor to rule out serious causes

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sleep apnea?

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Caffiene late in the day?

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You need to reach to that guy 😆🤣😆

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Prolly iron deficiency or something easy you can fix with a vitamin

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