Syed Rayhan ad-Din

Syed Rayhān ad-Dīn (সৈয়দ রায়হান উদ্দিন, ) was a medieval Sufi author of Bengal. His work gained recognition at the imperial court of Delhi, where he gained the nickname Bulbul-e-Bangālah (Nightingale of Bengal).

Biography
Syed Rayhan ad-Din was born in the village of Poil of Taraf. Taraf was a renowned centre of Islamic education in the subcontinent during the medieval period.

Rayhan wrote in the Persian language, and among his prominent works is Khawābnāma (خوابنامه). He also wrote his own version of the Masnavī-e-Gul-e-Bakāwalī (مثنوى گل بکاولی).