Insomnia can refer to several different things. If an link on a wiki page brought you here, feel free to correct it to point at the specific page.

* For the trope about fiction depictions of insomnia, see TheInsomniac.
* Film/{{Insomnia}}, a Norwegian psychological thriller, remade in 2002 by Creator/ChristopherNolan.
* Literature/{{Insomnia}}, a novel by Creator/StephenKing.
* Fanfic/{{Insomnia}}, a ''VideoGame/TheLegendOfZeldaMajorasMask'' fanfic.
* "Insomnia" a song by {{Music/Megadeth}}.