Im in med school and have pretty important exams coming up. Normally I can get away with 7 hours of sleep and be fine but recently I am tired all the time and need like 10-12 hours and am still groggy during the day. I cant afford to be tired like this for the next week otherwise im going to poorly.
Anyone know how to stay awake, and most importantly, mentally alert without feeling tired?
Anyone know how to stay awake, and most importantly, mentally alert without feeling tired?



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