Translation:

1. O thou folded in garments!

Notes (Tafseer)

5754. Muzzammil: Some Commentators understand by this, "properly dressed for prayer", or "folded in a sheet, as one renouncing the vanities of this world. Muzzammil is one of the titles of our holy Prophet. But there is a deeper meaning in this and the address "Thou wrapped up" of the next Sura. Human nature requires warm garments and wrappings to protect the body from cold or heat or rain. But in the spiritual world these wrappings are useless: the soul must stand bare and open before Allah, in the silence of the night, but not too austerely, as the following verses show.