Complex sentence: During Hell Week, candidates participate in five and a half days of continuous training, each candidate sleeps at most four hours during the entire week and runs more than 200 miles and does physical training for more than 20 hours per day.
Split into simpler sentences: During Hell Week, candidates participate in five and a half days of continuous training. Each candidate sleeps at most four hours during the entire week, runs more than 200 miles, and does physical training for more than 20 hours per day.