Sleepy: Try a sleep diary. If you are getting less than 7 hours of sleep on average, it is likely that more caffeine will not help wakefulness. It is best if the hours of sleep are continuous - better quality sleep than napping.
Answered 10/24/2017
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Coffee is healthy: Many recent studies show coffee to help more than hurt. It's ok to have 2 or more cups per day.
Answered 2/2/2017
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