Can't Sleep
Some nights shows a message similar to "There are monsters nearby" and blocks sleep until the next day. Easily configurable.
Screenshots
About this Mod
Can't Sleep (Fabric)
Can't Sleep adds unlucky nights where every attempt to use a bed is rejected with an insomnia warning. By default 15% of nights keeps a given player awake, forcing them to wait until morning.
Features
- Deterministic insomnia nights based on world seed and day so everyone shares the same sleepless experience.
- Configurable insomnia probability via
config/cant_sleep.tomlor the optional Mod Menu + Cloth Config screen. - Runs anywhere Fabric does; keep it on the server for enforcement and optionally on clients for UI tweaks only.
Install
- Requires Fabric and Fabric API.
- Optional UI: add Mod Menu and Cloth Config to expose the configuration in-game.
- Place the built jar in
mods/on the server (and clients if you want the config screen).
Build
- Java 21 with Gradle + Fabric Loom.
- Versions live in
gradle.properties. Run./gradlew build.
License
- CC0-1.0. Use it freely.
Available Versions
How to Install Can't Sleep on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.10).
Install Mod
Open the mod browser in the dashboard and search for "Can't Sleep". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.10, 1.21.9, 1.21.8 (+6 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Can't Sleep server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.10). You can switch loaders with one click in the panel.
Is Can't Sleep compatible with fabric?
Can't Sleep officially supports fabric for Minecraft 1.21.10, 1.21.9, 1.21.8. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Can't Sleep – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Can't Sleep consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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