vasi' - sitting there; nāma laya - chants the Hare Kṛṣṇa mahā-mantra; purī - Mādhavendra Purī; nidrā - sleep; nāhi haya - there was not; śeṣa-rātre - at the end of the night; tandrā - dozing; haila - there was; bāhya-vṛtti - of external activities; laya - stop.

Mādhavendra Purī could not sleep. He sat and chanted the Hare Kṛṣṇa mahā-mantra, and at the end of the night he dozed a little, and his external activities stopped.