Sometimes no medical cause or explanation can be identified and this condition is known as idiopathic hyperhidrosis, which can affect different parts of the body (such as the palms, armpits, etc.) Causes of Waking Up Sweating. There are many possible causes for you to wake up sweating.
The first myth, that darker roasts have more caffeine, largely comes from people mistakenly associating caffeine levels with flavor. The bold flavors of dark roasts are thought to be stronger, and therefore, contain more caffeine. Caffeine isnât the chemical that produces the bolder flavors, though.
The truth is that, while some caffeine does dissipate in the roasting process, the amount lost is negligible. By the time a light and a dark roast are brewed, any difference in caffeine levels that are a result of roasting will be imperceptible. Both roasts will have enough caffeine to affect your brain.