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The Sims 4

Trait TS4 Erratic.png

Erratic (formerly known as Insane before patch 66[n 1]) is a lifestyle trait in The Sims 4.

"These Sims can Talk to themselves and have unpredictable Emotions."


  • Erratic Sims may get random emotions.
  • Erratic Sims will randomly hiss and do random movements when idle.
  • Erratic Sims can talk to and tell a story to themselves, which raises their social need.
  • Erratic Sims may talk to random objects.
  • Erratic Sims can flirt with self in a mirror for a flirty moodlet.
  • Erratic Sims may autonomously use mean socials regardless of mood or relationship.
  • NPC Sims with this trait can enter apartments without an invite.[TS4:CL]
  • Erratic Sims may take showers in the rain autonomously.[TS4:S]
  • Erratic Sims will gain a happy moodlet when struck by lightning.[TS4:S]
  • Erratic Sims can also smash dollhouses even when not currently angry.
  • Erratic Sims can "Share Conspiracy Theories" with other Sims. Sims with the Paranoid trait also share the same attribute (albeit under Friendly rather than Mischief).
  • Erratic Sims from non-active households will commonly appear in parks dressed in predefined clothings (paint-splattered white tank top, gray pants and black sneakers) and usually sleep on benches.


  • Tell story to self
  • Talk to self

Erratic Sims[]

Erwin Pries, Jacques Villareal, Keala Hoapili

See also: Category:Erratic Sims


  1. Though this change was not mentioned in the patch notes, it was noticed by the Sims Community. In addition, the icon changed in patch 121 from a straitjacket to a symbol with four faces.