Classrooms without windows are special environmental conditions for students, in this regard, such conditions have a characteristic impact on the learning process and the behavior of students:
1) Psychological and emotional effects: increased boredom or psychological stress due to the lack of visual diversity, decreased motivation and interest in the educational material, possible increase in anxiety due to a certain spatial isolation.
2) Cognitive effects: decreased ability to concentrate, low academic performance due to the lack of diverse visual stimulation, increased cognitive fatigue during long-term training.
3) Physiological effects: fatigue as a result of prolonged artificial lighting (headaches, eye strain), poor ventilation can lead to drowsiness or decreased activity.