How did buck finally go to sleep the first night?

Buck finally went to sleep the first night after a long day of adjusting to his new, harsh environment. Exhausted from the physical and mental challenges he faced, he found a sense of comfort in curling up in a corner, despite the unfamiliar and intimidating surroundings. The weariness of his struggles and the warmth of his body allowed him to drift off into a deep sleep, momentarily escaping the harsh realities of his new life.