
What Causes Excessive Day Time Sleepiness And Drowsiness?

i AM OTHERWISE A HEALTHY MALE, THIS PROBLEM STARTED RECENTLY AND USUALLY HAPPENS ON TRIPS LASTING A FEW HOURS
It sounds like narcolepsy. Kindly read ahead
Detailed Answer:
Hello,
Thank you for posting in HCM.
From what description you have given and also with background of ruling out sleep apnea, I feel it as more of narcolepsy which also means excessive day time sleepiness or drowsiness.
I assume to rule out sleep apnea you must have already done sleep study. But it is also important to know the quality and time you sleep in REM and NREM. I would like you to show the sleep study to a neurologist if it’s available with you. Your sleep must be inadequate or poor quality for some other reasons other than sleep apnea.
It can also result due to mind wandering like the mind is passively on road and driving comes along without you giving any active thoughts to it but you must be thinking of some other things. This could be more common cause than sleep apnea. If this is happening that your thoughts are wandering off from driving then you could miss the turn and keep on driving further without even realizing that you are past your destination of required turn. Give it some active thoughts whether it’s happening with you or not. If that’s not the case then follow the advice I gave above and consult a neurologist.
I hope I have answered your query well.
If you have any more question kindly write back to me, will be happy to help you out.
Thank you.

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