Final answer:
The question is asking about the usual time to go to bed, which can vary depending on individual preferences.
Step-by-step explanation:
The question is asking about the usual time that the person went to bed. This question is not related to any specific subject but can fall under the category of Social Studies as it relates to daily routines. The answer to the question would depend on the individual's lifestyle and personal preferences. It is not possible to determine a specific time based on the given information.