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While your oxygen levels before bed appear normal, feeling tired upon waking could be a sign of nocturnal hypoxemia - a condition where oxygen levels drop during sleep. This affects up to 89% of people with pulmonary hypertension. Common signs include:

• Waking up frequently during the night
• Feeling unrested even after Show Full Answer

While your oxygen levels before bed appear normal, feeling tired upon waking could be a sign of nocturnal hypoxemia - a condition where oxygen levels drop during sleep. This affects up to 89% of people with pulmonary hypertension. Common signs include:

• Waking up frequently during the night
• Feeling unrested even after seemingly good sleep
• Difficulty staying asleep The best way to determine if you need oxygen therapy at night is to discuss your symptoms with your healthcare provider. They may recommend:

• A sleep study to check for sleep apnea
• Overnight oxygen monitoring
• Testing with a CPAP machine

Some people need oxygen therapy all the time, while others only need it during certain activities or at night. Your doctor will determine the right approach based on your specific situation.

 AI-generated responses are not a substitute for medical advice. These services are not intended to diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.

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