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Sleeping excessively. Feeling groggy, dizzy. Xanax helps. Had a normal hearing test. What is wrong?

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Practicing since : 2001
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I have a problem with sleeping. Sometimes I will sleep too much. Normally I need about 8 hours to sleep to function properly. Sometimes I will end up sleeping through the alarm and end up sleeping 9+ hours. When this happens I wake up feeling groggy which I think is normal. The problem occurs after the next night (2nd night) of sleep even if I sleep a normal amount of hours (8 or less). I wake up from that second day with a very dizzy/foggy feeling. It feels as though something inside my brain is not working properly. It feels as if the wiring is messed up or there is something wrong with the neurotransmitters. It lasts for about a week and nothing can take it away. I am completely unable to concentrate or study or do anything productive when this happens. The only thing that makes it a little bit better is taking xanax (0.5 mg) on a night which I have a prescription for but don't take too often (once or twice a week for anxiety on average). I have had a late sleeping schedule for the past few years. I usually sleep around 3 am and wake up around 11 am. I have had an mri done on my brain which came out normal. I also had a sleep study done which came out normal although I slept about 7 hours during the study and couldn't oversleep during it. I've seen an ENT and had a hearing test which came out normal as well. I don't usually oversleep but since I don't have to get up for work in the morning time it just happens sometimes and I am very frustrated as to what is wrong with me and what is going on inside my head that makes me so messed up for days related to one night of sleeping too much. I don't find anything on the internet or anyone who has my problem.
Posted Tue, 22 May 2012 in Brain and Spine
Answered by Dr. Shiva Kumar R 11 hours later

Thanks for the query

From the details provided I personally feel it is a normal phenomenon and is nothing to do with the brain network or neurotransmitters. You are a late sleeper and is normally seen in many people. Dizzy or foggy feel can happen to any one who sleeps less or sometimes more.

So I personally feel your problem is not of a serious nature and does not require any evaluation. Usually late sleepers sleep less than others and have the tendency to eat more and gain few pounds. If possible try sleeping early to avoid the adverse effects of sleeping late. Try to minimize using medications like Xanax to avoid dependence.

I thank you again for submitting your question. I hope you find my response to be both helpful and adequate. If you have any additional concerns regarding your question I would be happy to address them.


Dr Shiva Kumar R
Consultant Neurologist & Epileptologist
Above answer was peer-reviewed by
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