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Life & fun · November 23, 2016

Caffeine for Windows

Don't let your computer fall asleep

Caffeine for Windows launched on November 23, 2016 with 3 votes. The site was still online in September 2026, 9 years on.

What it does

If you have problems with your PC locking or going to sleep, caffeine will keep it awake. It works by simulating a keypress once every 59 seconds, so your machine thinks you're still working at the keyboard, so won't lock the screen or activate the screensaver. The icon is shown above - it's the leftmost one in the task tray, and this is all you see. Double-clicking the icon empties the coffee pot (that's what the icon is) and temporarily disables the program. Double-clicking it again refills the pot, and will keep your machine awake. By default the app starts enabled, and works every 59 seconds. There are some command line switches you can use to alter this behaviour: Caffeine user…from zhornsoftware.co.uk

Does a similar job

all alternatives →
  • Caffeine2014 · download.macupdate.com · ▲462

    Keep your Mac from going to sleep

  • PY
    Prevent your computer sleeping with just a webpage2022 · nosleep.page · ▲252

    There's often times I want to prevent a computer/laptop/VM from sleeping and while, yes, there's various Caffeine/Amphetamine apps they're often overkill. Instead, this small (12Kb) page does the job and only needs a web browser. It's just a very simple usage of a web api normally used for things like video players: https://developer.mozilla.org/en-US/docs/Web/API/Screen_Wake...

  • UP Coffee2014 · jawbone.com · ▲82

    via Jawbone Labs: understand how caffeine affects your sleep

  • Open CaffeineJun 2026 · github.com · ▲164

    Keep your Mac awake

  • Caffeinated2020 · caffeinated.app · ▲108

    Keeps your Mac awake.

  • Theine2019 · apps.apple.com · ▲145

    Caffeine for your Mac. Keep it awake.

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