Don’t Sleep 9.88 – Prevent Windows Sleep & Keep Your PC Active

Don’t Sleep 9.88: Keep Your Windows PC Awake When You Need It Most 🖥️⏰

Tired of your Windows PC going to sleep in the middle of an important download, presentation, file transfer, or long-running task? Don’t Sleep 9.88 is a lightweight, free utility designed to prevent your computer from entering sleep, hibernation, or turning off the screen—exactly when you need it to stay active.

Don’t Sleep 9.88 interface screenshot

Whether you’re streaming media, rendering videos, running overnight backups, or simply want to keep your screen on during a meeting, Don’t Sleep offers a simple, effective solution.


🎯 Why Use Don’t Sleep?

  • Prevents all power-saving modes: Sleep, hibernate, screen off, hard disk spin-down
  • Lightweight & runs silently in the system tray
  • Easy to activate/deactivate with one click
  • No installation required – portable EXE file
  • Free forever – no ads or bloatware
  • Works on laptops & desktops

Perfect for home users, professionals, gamers, and anyone needing reliable control over Windows power settings.


✨ Key Features of Version 9.88

🔒 1. Prevent Multiple Power Actions

  • Disable system sleep (S1-S5)
  • Prevent hibernation
  • Stop screen from turning off
  • Keep hard disks spinning (prevent spin-down)
  • Block fast user switching (optional)

⚙️ 2. Flexible Activation Options

  • Run temporarily (for X hours/minutes)
  • Run until manually disabled
  • Run only when specific programs are active
  • Run on system startup (optional)

🖥️ 3. System Tray Integration

  • Minimizes to system tray for unobtrusive operation
  • Visual indicator shows if protection is active
  • Quick access to settings and disable option

🛡️ 4. Safe & Non-Intrusive

  • No system modifications – works via Windows API calls
  • Respects user settings – doesn’t override critical system policies
  • Clean uninstall (if installed)

🛠️ Ideal For:

  • Downloaders: Keep PC awake during large file downloads
  • Presenters: Prevent screen from turning off during meetings
  • Content Creators: Stop sleep during video rendering or encoding
  • Gamers: Avoid interruptions during gameplay
  • Server Users: Keep home servers or media centers responsive

💡 Tip: Use the “Only if programs are running” feature to automatically prevent sleep only when specific applications (e.g., your download manager) are active.


🆚 Don’t Sleep vs. Windows Power Settings

Prevent Sleep Temporarily
✅ Yes (set duration)
❌ Manual change & revert
Run Only During Specific Tasks
✅ Yes (program-based)
❌ No
No Installation Required
✅ Portable
✅ Built-in
One-Click Activation
✅ Yes
❌ Requires navigating menus
Keep Hard Disks Active
✅ Yes
⚠️ Requires advanced settings

Don’t Sleep offers dynamic, context-aware control that Windows’ static power plans cannot provide.


💡 Final Thoughts: Stay Active, Stay Productive

Don’t Sleep 9.88 eliminates the frustration of interruptions caused by Windows power management. By offering precise, temporary control over sleep modes, it ensures your tasks complete uninterrupted and your PC stays responsive when it matters most.

Activate. Stay Awake. Get Things Done.

🔗 Official download: https://www.softwareok.com/?seite=Freeware/Don%27t_Sleep (Note: Verify exact URL—this is the likely parent site)
💻 Compatible with Windows 11/10/8.1/8/7/Vista/XP (32-bit & 64-bit) – portable, no installation required.

📥 Download Don't Sleep 9.88

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