Until a few years ago, ADHD was considered a condition primarily affecting children and adolescents. Today, we know that adults can also suffer from ADHD. It is regarded as a chronic condition. I find it difficult to sit still for long periods. In my free time, I engage in activities that are thrilling and fast-paced. When something doesn’t interest me, I quickly get distracted. I often forget appointments or misplace items. I frequently say things thoughtlessly that hurt others. Do you recognize such statements in yourself, from friends or family, or from your clients? Perhaps ADHD is present. The diagnosis is not always easy to make and can often come as a shock. This guide offers not only a theoretical introduction to the topic but also many interesting pieces of information and suggestions for managing everyday life. References to literature provide further support.