text: Also, if a student were to choose an outdoor activity it would include benefiting their mental health. Fresh air and natural light is good for everyone and wakes people up. Generally, unnatural light causes headaches, tiredness, and is known for making people lose concentration. Being indoors also can cause a trapped or caged feeling because it would be hard to get up and move without disrupting a working environment. Indoor lighting tends to feel dull and drab, not bright and happy.