Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

in-somnis, e, adj. [2. in-somnus], sleepless (poet. and in post-Aug. prose).

  1. I. Of living beings, Hor. C. 3, 7, 8: juventus, Pers. 3, 54: insomnes magis, quam pervigiles, Tac. A. 1, 65: draco, Ov. M. 9, 190.
  2. II. Of things: oculi, Stat. Th. 3, 328: dens, i. e. of the dragon, from which armed men sprung, Luc. 4, 552: nox, Verg. A. 9, 167: cura, Luc. 2, 239.

1. insomnĭum, ĭi, n. [in-somnus], a dream (mostly in plur.).

        1. (α) In sing.: illud haud ambigitur, qualicumque insomnio ipsi fratrique perniciem allatam, Tac. A. 11, 4: per insomnium dicere, in a dream, Arn. 7, 244: ipsa insomnii verba, Macr. Somn. Scip. 1, 3.
        2. (β) In plur., Ter. Eun. 2, 1, 13 Umpfenbach; Tib. 3, 4, 1; Verg. A. 4, 9; 6, 896; Sil. 10, 358; 11, 102; Plin. 18, 12, 30, § 118.