72917
During the night , having fallen asleep , the sparks ignited his clothes ( or , as stated in Nyren 's book , he fell upon the embers ) , and he was so severely burnt that he died the next day , not surviving twenty-four hours .
 Nyren
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nyren