yā — what; niśā — is night; sarva — all; bhūtānām — of living entities; tasyām — in that; jāgarti — is wakeful; saṁyamī — the self-controlled; yasyām — in which; jāgrati — are awake; bhūtāni — all beings; sā — that is; niśā — night; paśyataḥ — for the introspective; muneḥ — sage.