Put simply, anxiety is fear. Anxiety is normal. It's normal to feel scared before a big event. It can also show up as difficulty sleeping, difficulty concentrating, and jumbled thoughts.
Anxiety is normal.
It's normal to feel somewhat scared prior to a big event. In fact, that anxiety is even helping you to prepare to meet the challenge at hand. Research has clearly demonstrated that having some anxiety enhances performance. However, if the anxiety gets too high it can actually decrease performance. This happens because the person feels overwhelmed by the anxiety.