From Sahih Bukhari (Hadith 3774):
Narrated Hisham's father:When Allah's Messenger (ﷺ) was in his fatal illness, he started visiting his wives and saying, "Where will I be tomorrow?" He was anxious to be in `Aisha's home. `Aisha said, "So when it was my day, the Prophet became silent (no longer asked the question)
Reference: Bukhari 3774