Little Insomniac
Prevent your computer from sleeping
Stop your computer from going to sleep during downloads, presentations, and long-running tasks. Free for Mac, Windows, and Linux.
Screen can sleep
Click to keep your screen awake
Try it now - works in your browser
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See Little Insomniac in action
Explore powerful features that help you succeed
Stop computer sleep from ruining your work
These common frustrations are solved instantly with Little Insomniac
Stop downloads from failing overnight
Your computer goes to sleep and your download fails. You wake up to find it only 30% complete. Little Insomniac keeps your system awake until your download finishes.
Keep presentations running smoothly
Nothing's more embarrassing than your screen going dark during a client presentation. Little Insomniac prevents sleep mode so you can present with confidence.
Let scripts and builds complete
Long-running processes get interrupted when your computer sleeps. Keep your system awake while code compiles, tests run, or data processes.
Prevent sleep mode easily
Three simple ways to stop your computer from sleeping
One-click activation
Click once to prevent your computer from sleeping. Click again to allow normal sleep behavior.
Set a timer
Keep your computer awake for a specific duration - 1 hour, 4 hours, overnight, or any custom time.
Run automatically
Configure Little Insomniac to start with your computer and remember your last settings.
Users love preventing sleep mode
Real feedback from people who solved their sleep mode problems
I was so frustrated with failed overnight downloads. Little Insomniac fixed the problem instantly.
No more embarrassing screen timeouts during client presentations. This app is a lifesaver.
My data processing scripts used to fail all the time. Now they run to completion every time.
500K+
Downloads
Preventing sleep worldwide
3
Platforms
Mac, Windows, Linux
100%
Free
Basic features
4.8
Average Rating
Stop your computer from sleeping today
Download Little Insomniac for free and never deal with unwanted sleep mode again