The document discusses average time spent on computers per day compared to time spent sleeping and doing other activities like job, school, and sports. It then lists three reasons why excessive computer use is unhealthy: it can cause health risks from radiation; lead to high addiction from online activities like searching information, watching videos, and gaming; and cause panic when people feel they cannot function without a computer. The document suggests decreasing computer use can reduce health risks and addiction while making people able to function well without constant computer access.