How does perceived stress change over time? Which situations in everyday life are particularly stressful? How does personality affect perceived stress? People react differently to stress and there are various factors influencing stress such as your age, your family status, your gender, your personality and your smartphone usage. Recognizing stress is important for your mental and physical health. Fill out a short, scientific stress questionnaire once a day and find out more about your stress level - you get feedback on changes of your stress levels over time as well as your personality and your coping strategies. The data as well as your answers are stored completely anonymously. No conclusions can be drawn on your person.