​In The Sims 4, when autonomy is enabled, Sims perform a wide array of actions without direct player input. These autonomous behaviors are influenced by their needs, traits, emotions, relationships, and environmental factors. Below is a comprehensive breakdown of these actions:​

Basic Needs Fulfillment

Sims autonomously address their fundamental needs:

• Hunger: Cooking meals, grabbing quick snacks, or ordering food.
• Hygiene: Taking showers or baths, brushing teeth.
• Bladder: Using toilets when necessary.
• Energy: Napping or sleeping in beds.
• Fun: Engaging in activities like watching TV, playing games, or listening to music.
• Social: Initiating conversations or interactions with other Sims.​

Emotional Reactions

Sims exhibit behaviors based on their emotional states:

• Sadness: Crying or seeking comfort.
• Anger: Arguing or expressing frustration.
• Playfulness: Telling jokes or playing games.
• Embarrassment: Avoiding others or hiding.​

Household Activities

Sims take care of household tasks:

• Cleaning: Washing dishes, taking out trash, or mopping floors.
• Childcare: Feeding, bathing, or playing with toddlers.
• Pet Care: Feeding pets, playing with them, or cleaning litter boxes.
• Gardening: Watering plants or harvesting produce.​

Social Interactions

Sims engage with others based on relationships and traits:

• Friendly: Chatting, hugging, or complimenting.
• Romantic: Flirting, kissing, or proposing (with certain mods).
• Mischievous: Pranking or teasing.
• Mean: Arguing or insulting.​The Sims Wiki+1Carl’s Sims 4 Guide+1

Skill Development

Sims may autonomously practice or develop skills:

• Creative: Painting, writing, or playing musical instruments.
• Physical: Exercising or practicing yoga.
• Mental: Reading books or playing chess.​

Environmental Interactions

Sims respond to their surroundings:

• Weather: Reacting to rain, snow, or heat by seeking shelter or changing clothes.
• Objects: Inspecting new items, using electronics, or playing with toys.
• Events: Reacting to fires, deaths, or celebrations.​

Trait-Influenced Behaviors

Certain traits influence autonomous actions:

• Neat: Cleaning more frequently.
• Lazy: Avoiding chores or preferring to relax.
• Active: Exercising regularly.
• Loner: Avoiding social interactions.
• Outgoing: Seeking social engagements.​

Mod-Introduced Autonomy

Mods can expand or alter autonomous behaviors:

• MC Command Center: Allows detailed control over autonomy settings.
• Slice of Life: Introduces realistic reactions and social interactions.
• Extreme Violence: Adds darker autonomous actions.
• Have Some Personality Please: Enhances personality-driven behaviors.​EA Forums+5Seebee+5EA Forums+5

If you’re interested in customizing or limiting certain autonomous behaviors, feel free to ask for guidance on specific settings or mods!