Group 1 - A 14-year-old boy in Changde, Hunan, fainted after long hours of studying, having started his homework around 5 or 6 AM and sitting for four to five hours straight [1] - The boy's mother, Ms. Zheng, reported that she was initially shocked and did not react quickly when her son fainted, but fortunately, he did not suffer any other injuries [1] - The incident highlights the risks associated with prolonged sitting, fatigue, dehydration, or low blood sugar, which can lead to transient cerebral ischemia, resulting in dizziness or fainting [3]

Group 1 - A 14-year-old boy in Changde, Hunan fainted after long hours of studying, highlighting the risks of prolonged sitting and fatigue [1] - The incident occurred after the boy had been doing homework from early morning for several hours without breaks [1] - Fortunately, the boy did not suffer any serious injuries and showed no other abnormal symptoms after fainting [1] Group 2 - Long periods of inactivity, combined with potential fatigue, dehydration, or low blood sugar, can lead to transient cerebral ischemia, resulting in dizziness or fainting [3] - In case of someone fainting, it is crucial to assess the safety of the environment and immediately call for help [4] - If cardiac arrest is suspected, immediate CPR should be initiated [5][6]

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]