Final answer:
The question seems to relate to a behavioral pattern of Mrs. Donne, requiring additional context to accurately determine its truthfulness, relevant to health or psychology studies at the college level.
Step-by-step explanation:
The question presented does not appear to be a direct query from an educational curriculum but rather a behavioral observation that could be related to a case study or a scenario, possibly in the field of psychology or health. As such, the statement provided, "Mrs. Donne consistently gets upset at around 9:00 every night, repeatedly asking for snacks or drinks, and refusing to go to bed," could be a manifestation of an underlying condition or pattern that would be relevant for study in these subjects. However, to determine the veracity of the statement as either true or false, one would need further context which isn't provided here. This could involve understanding the character Mrs. Donne's background, the setting of the situation, and any relevant factors influencing her behavior at that time of night.