Al-Khiṣāl > What is said to Whoever Sneezes Three Times
Hadith #2

3-125 وفي حديث آخر: أنه إن زاد العاطس على ثلاث قيل له: "شفاك الله" لان ذلك من علة

3-125 In another tradition we read, “If one sneezes for more than three times they tell him, ‘May God heal you!’ since that is due to an illness.”