My mom has COPD and is on oxygen she keeps falling asleep while she is just sitting here can she get carbon posion from her machine why is she so sleepy

My mom has COPD and is on oxygen she keeps falling asleep while she is just sitting here can she get carbon posion from her machine why is she so sleepy

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hi…
if the machine is emitting that much of carbon,then it can happen. but its rare as these machines deliver only oxygen.
if the medicines she is taking,contains any sedatives,then she can be drowsy and sleepy. get her blood checked for electrolyte imbalance as well, even this can cause drowsiness
thanks