Insomnia
Your sleep is troubled and Rest is frequently interrupted.
Caused by: [Glimmer Fog]
Insomnia is an Affliction added to the Part 1 Update of the Tales from the Far Territory addon, and is contracted from spending too much time in Glimmer Fog found within certain Regions within the Far Territory Frontier. At present, it can only be contracted in the Forsaken Airfield, Zone of Contamination, and Sundered Pass Regions.
Insomnia is a Disease affliction in The Long Dark. Its effect is negative. It lasts until recovery time passes.
It is caused by glimmer fog.
No specific treatment is listed — it resolves on its own or is avoided rather than cured.
Recovery time is listed as 18-36 hours.
Verdict: Overall Insomnia is a disease best handled by avoiding its cause.