I was diagnosed with hypoxia/hypopneas last year. My oxygen levels dropped to 74% during sleep. When I have fallen asleep without my cpap on, I have wakened with hallucinations and disorientation. One part of my brain knows that what I am seeing is not real, but it takes a few minutes for me to get oriented. Is this related to my low oxygen levels? I have CHF as well. Thank you for your time.
74% is in the dangerous zone for oxygen levels. Imagine if your brain is oxygen deprived for hours. That's an excellent reason for you to have hallucinations or disorientation. Untreated obstructive sleep apnea can also cause CHF.
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