>the soda itself was largely replaced with black coffee. As unreliable as Internet medical advice always is, am I to interpret that you're drinking coffee at a

>the soda itself was largely replaced with black coffee. As unreliable as Internet medical advice always is, am I to interpret that you're drinking coffee at all hours of the day? Sleep disturbances can lead to all sorts of new problems. Coffee has much more caffeine than soda or any common tea. Switch to something else after noon and see if it doesn't help.