 
 <prompt> Wetin be di type of lighting wey no involve spectral content analysis? Based on di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Analysis of lighting quality dey focus well well on the use of natural light, but e dey also consider the kind of light wey artificial light dey give. If we use natural light more, e go reduce energy wey we dey use and e go also help human health and performance. Recent studies don show say how students dey perform dey affect by the time and how long daylight dey shine for their daily timetable. If we design school buildings wey get the right kind of light at the right time of day for the right amount of time, e fit improve student performance and well-being. Similarly, if we design lighting systems wey fit give the right amount of light at the right time of day for old people, e fit help reduce the symptoms of Alzheimer's Disease. The human body clock dey set to a 24-hour light-dark pattern wey resemble the natural light/dark pattern of the earth. If those patterns dey disturb, e fit disturb the body clock. Body clock disturbance fit cause plenty health wahala like breast cancer, seasonal affective disorder, delayed sleep phase syndrome, and other sickness. 