男孩凌晨5点起床写作业突然晕倒 妈妈：事发时，已久坐约四五个小时

Core Points - A 14-year-old boy in Changde, Hunan, fainted after sitting for about four to five hours while doing homework early in the morning [1] - The incident occurred after the boy had been studying since around 5 or 6 AM, and he fell while stretching [1] - Fortunately, the boy did not suffer any serious injuries and showed no other abnormal symptoms [1] Summary by Categories - Incident Description - The boy fainted after prolonged sitting while doing homework for five hours [1] - He initially fell onto a sofa and then collapsed to the ground [1] - Health Implications - Long periods of inactivity, combined with potential fatigue, dehydration, or low blood sugar, can lead to transient cerebral ischemia, resulting in dizziness or fainting [1] - Parental Response - The boy's mother, Zheng, expressed her shock at the incident and noted that she did not react immediately when her son fainted [1]