The sun can send the light straight through the atmosphere then light will be dispersed, will be reflected in a wide area.

The function of the lighting is to give windows a ventilation of fresh air. There is a downturn in this ventilation because it can promptly decrease the area of illumination in the windows. If allowing the use of large window, it can make an increase in heat that will lead to use the air-condition and make the energy consumption rose (Abd Kadir, 2015).

According to a late study validating that there is some interaction between human performance and daylighting. The light can contribute to our optical health that help the person boost cognitive functions. It can help around the school environment that according to the studies daylighting builds up the performance of the students physically and psychologically (Shishegar, 2016).