385963
The son , who has been watching beside the bedside of his sick mother , has fallen asleep from sheer weariness , Gradually a ruddy light is diffused through the room : there is a sound of distant music : the glow and the music steal nearer until the strains of a valse melody float distantly to our ears .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None