Mindful Living Starts at Home: Psychological Impact of Interiors Have you ever entered a room and immediately felt relaxed, joyful, or even anxious? That is no coincidence; it is interior design psychology at work. The environments that we inhabit have a massive influence on our thoughts, feelings, and general well-being. In fact, home design and mental health  are more connected than many of us realise.   Psychological Effect of Interiors Your home is not just for sleeping.