编辑以下文本，使用不同的词汇和语句结构，使之更加连贯和易于阅读。
The boy was tired. He had been running all day long. When he arrived at his house, he went to his room and slept for hours.
After spending the entire day running, the boy was utterly exhausted. Upon finally reaching his home, he immediately retreated to his bedroom and slept for several hours.