Answers from Sheldon G. Sheps, M.D. Caffeine can cause a short, but dramatic increase in your blood pressure, even if you don't have high blood pressure. It's unclear what causes this spike in blood pressure. Some researchers believe that caffeine could block a hormone that helps keep your arteries widened. Others think that caffeine causes your adrenal glands to release more adrenaline, which causes your blood pressure to increase.
At level 22, Zubat evolves into Golbat. Than when you've got a happy Golbat(you can check happiness in your Poktech) Golbat evolves into Crobat.   Zubat evolves into the câ¦ommon Pokemon Golbat at level 22, and then evolves into Crobat when it levels at a happiness 220.
Pokedex Entry #041: Zubat is a Poison/Flying Type Pokemon. It evolves into Golbat. Zubat remains quietly unmoving in a dark spot during the bright daylight hours. It does so because prolonged exposure to the sun causes its body to become slightly burned.