But why do people get over-excited in the first place
In the arousal state, the heart rate increases, the sympathetic nervous system observes increased activity, and the brain begins to signal at the increased production of hormones. The hormone, which is responsible for this is dopamine.
Is over excitement a disorder?
Bipolar disorder, also known as manic depression, is a mental illness that brings severe high and low moods and changes in sleep, energy, thinking, and behavior. People who have bipolar disorder can have periods in which they feel overly happy and energized and other periods of feeling very sad, hopeless, and sluggish.
What does it mean to be over-excited?
: excited to an excessive degree overexcited children overexcited neurons an overexcited imagination "Oh, cool!"