Stop scrolling.
Start sleeping.
SleepGuardian shuts down your PC at curfew and locks you out until morning. No snooze button. No escape. Just rest.
- Free & Open Source
- Windows 10/11
- No Ads
Next shutdown
02:14:37
Alarms don't work. Willpower doesn't work. SleepGuardian does.
Existing screen-time limiters are ignorable. SleepGuardian makes the decision for you.
10 PM → PC Off
Shutdown fires on schedule, every night.
7 AM → PC Unlocked
Boot guard releases at your unlock time.
1 Emergency Pass/Week
One hour of grace. That's it.
Everything you need to actually sleep
Scheduled Curfew
Set daily, weekday, weekend, or custom schedules. Your PC shuts down automatically.
Full-Screen Lock
Booted during curfew? You're locked out. Full-screen, all monitors, no escape.
Countdown Overlay
10-minute warning. 5-minute warning. Final countdown. Then — shutdown.
Streak Tracking
Build a sleep streak. Track 5, 10, 20, or 30-day goals with a visual heatmap.
Emergency Pass
One 1-hour extension per week. For real emergencies only.
Admin Protection
Password-protected settings. Can't disable, can't uninstall, can't cheat.
How SleepGuardian works
- 1
Set Your Curfew
Pick your time, your days, and a streak target.
- 2
Warnings Start
10-min, 5-min and 1-min countdown overlays appear.
- 3
PC Shuts Down
Forced shutdown fires exactly at curfew time.
- 4
Locked Until Morning
Boot guard blocks re-entry until your unlock time.
Miss curfew once? You get one emergency pass per week. Use it wisely.
See it in action
Next shutdown
02:14:37
Curfew incoming
04:32
Curfew active
07:00 AM
45 nights logged
23/30 day streak
Turn sleep into a game
Track your sleep streaks with a visual heatmap. Watch your progress grow from gray to deep green as you build healthy habits.
Take control of your sleep tonight
Free. No account required. Works on Windows 10 and 11.
Download SleepGuardian v1.0Also available via CLI
- 🔒 No data sent externally
- 💾 Local SQLite database
- 🚫 No telemetry