Infected struggle to sleep at night, increasing infectivity.

DNA Cost


Previous Symptom

Shadow Blessing

Next Symptom

Steroidal Boost, Anaemia

Nocturnal is a symptom exclusive to the Shadow Plague DLC. This symptom makes it harder for infected people to sleep at night, similar to Insomnia. However, this symptom increases infectivity, while Insomnia suppresses the cure effort.

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