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Insomnia is a symptom. It makes people unable to sleep, making them less productive. This increases the cure requirement by 3%. This symptom does increase severity, but has no effect on the infectivity of your disease.

Government Actions

Main Article: List of government actions

  • In the Necroa Virus DLC, if the player evolves this symptom, the governments will distribute sleeping pills, to reduce the severity and infection of the virus.

Trivia

  • This symptom only raises severity a small amount, so it should be safe to evolve even at higher difficulties. With the symptom Anaemia, it can make the Walking Dead symptom combo, which unlocks the Brainzzzz achievement.