https://www.getrevue.co/profile/rjmhm/issues/roland-martin-issue-62-74832

Extroverts thrive and re-energise through engaging in social situations, and feel more drained when alone; introverts do just the opposite, gaining their energy from time on their own to think. The Harvard Business Review’s 2015 article by Professor Francesca Gino is illuminating on this subject, starting with a rank yourself extrovert/introvert template.