Neurotic is a mental trait in The Sims 3. It's first available at birth.
Neurotic Sims will freak out at the most minor of provocations. They can become stressed easily and can be difficult to mellow. Luckily they take solace in sharing their worries with others.
Sometimes after interacting with certain objects, the Sim might get a "Feeling Anxious About Object" moodlet. This goes away after a few hours but it can be alleviated immediately by Checking the object, which gives a "Feeling Calm" moodlet. Child Sims do not have the "Check Object" interaction, however.
They often obsess over their hygiene. They often desire to make their beds, clean dishes, bathe, and even wash their hands or brush their teeth a number of times.
Neurotic children constantly change positions and move in their sleep, but these actions do not affect how much rest they get.
Sims will show OCD-like behaviour, such as constantly checking stoves, sinks, and fireplaces. Together with the Neat and Perfectionist traits, a Sim could mimic a real life person with OCD, as obsession over cleanliness is a common symptom in the disorder. Neurotic Sims often have special wishes like "Wash Hands 3 Times."
Neurotic Sims get stressed faster while working.
Using the "Console" interaction on a neurotic Sim will not increase relationship level like being used on other Sims.
Neurotic Sims flee from Bonehilda. They can't be in the same room with her and receive the "Scared" moodlet