Dr Maria Kmita teaches "Applied Napping" and "Humour and Positive Psychology" to medical students at the Medical University of Wrocław. Her research interests include sleep, napping, sleep deprivation, shift work, mood, employee well-being, optimism, and humour.

Since 2015, she has run Optymisja, a company offering unconventional workshops for employees, covering topics such as strategic optimism and strategic napping. She is also a partner of the Wrocław Senior Centre, where she runs workshops as part of the Leaders' School.

Since 2022, she has also been running "Poprawczak Nastroju" (Mood Improvement Centre) on Instagram and is the author of a book of the same title. She hosts the podcast "Optymisja – short and juicy conversations about life". In 2024, she published the book "Mistrz i Mama" ("The Master and Mum"). She was named Optimist of the Year 2024 and is a three-time recipient of the Teaching Leader award at the Medical University of Wrocław. She is also the proud owner of the Lecturer's Mug.

In both her private and professional life, she is an optimist and a passionate napper.