Charak Samhita
दिनक्षये ततः स्त्याने मस्तिष्के सम्प्रशाम्यति। सूर्यावर्तः स तत्र स्यात् सर्पिरौत्तरभक्तिकम्॥८१॥
The condition is called suryavarta and is managed by post-prandial ghee consumption, shirovireka (purificatory errhines), kayavireka (purgation), shiropichu (holding a gauze or piece of cotton soaked in medicated oil over the vertex)
english translation
dinakSaye tataH styAne mastiSke samprazAmyati। sUryAvartaH sa tatra syAt sarpirauttarabhaktikam॥81॥
hk transliteration by Sanscript