Surah Muzammil is the 73rd chapter of the Qur'an, consisting of 20 verses. It emphasizes the importance of night prayer (Tahajjud), patience, and devotion in spreading the message of Islam. The Surah encourages Prophet Muhammad (PBUH) to prepare spiritually for the mission ahead, urging discipline, recitation, and reliance on Allah. It also highlights the burden of revelation and offers divine support to overcome hardships.