Games like Sleep Simulator
Games like Sleep Simulator include Crime Scene Cleaner, The Sims™ 4, PC Building Simulator, inZOI, and Supermarket Simulator. We matched them by the tags players give Sleep Simulator on Steam (Simulation, Life Sim, Idler, Realistic, and First-Person): closest matches first, and among equally close ones the better-known games.

Crime Scene Cleaner
Shared: Simulation · First-Person · Relaxing

The Sims™ 4
Shared: Life Sim · Simulation · Singleplayer

PC Building Simulator
Shared: Simulation · First-Person · Life Sim

inZOI
Shared: Life Sim · Simulation · Realistic

Supermarket Simulator
Shared: Simulation · Life Sim · First-Person

Train Sim World® 2
Shared: Simulation · Realistic · First-Person

My Winter Car
Shared: Simulation · Life Sim · Realistic

Quarantine Zone: The Last Check
Shared: Simulation · First-Person · Realistic

The Bus
Shared: Simulation · Realistic · First-Person

Euro Truck Simulator 2
Shared: Simulation · Realistic · Relaxing

Microsoft Flight Simulator X: Steam Edition
Shared: Simulation · Realistic · First-Person

Fernbus Simulator
Shared: Simulation · Realistic · First-Person

Stardew Valley
Shared: Life Sim · Simulation · Relaxing

Cooking Simulator
Shared: Simulation · Realistic · Singleplayer

Farming Simulator 25
Shared: Simulation · Realistic · First-Person

Fishing Planet
Shared: Simulation · Realistic · Relaxing

Train Simulator Classic
Shared: Simulation · Realistic · Singleplayer

American Truck Simulator
Shared: Simulation · Realistic · Relaxing

Contraband Police
Shared: Simulation · Realistic · First-Person

X-Plane 11
Shared: Simulation · Realistic · First-Person

Train Sim World® 2020
Shared: Simulation · Realistic · Relaxing

Tank Mechanic Simulator
Shared: Simulation · Realistic · First-Person

Train Sim World® 3
Shared: Simulation · Realistic · First-Person

Streamer Life Simulator 2
Shared: Simulation · Life Sim · First-Person