PassMark Sleeper for Windows

Used PassMark Sleeper for Windows?

Editors’ Review

Download.com staffFebruary 20, 2026

Sleeper is a utility to test PC sleep and hibernation. It supports various sleep states and command-line control, working with other applications.

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Trial version

Pros
- Tests PC entry and recovery from sleep and hibernation.
- Supports S1, S2, S3, and S4 sleep states.
- Allows timed wake-up after a specified period.
- Can initiate sleep/hibernation via command line.
- Compatible with PassMark BurnInTest and third-party apps.
Cons
No Cons available

PassMark Sleeper for Windows

Used PassMark Sleeper for Windows?

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Full Specifications

GENERAL

Release: October 16, 2012

Latest update: February 20, 2026

Version: 2.3.1009

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows 10
Windows 2003
Windows 8
Windows 7
Windows XP
Windows Vista

Additional Requirements: None

POPULARITY

Total Downloads: 347

Downloads Last Week: 2

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Developer’s Description

By PassMark Software

Test the PC systems to enter and recover from sleep and hibernation.

Sleeper is a small utility program developed by PassMark Software to help test the ability of PC systems to enter and recover from sleep and hibernation. It has been designed to work with PassMark BurnInTest but will also work with 3rd party applications. Sleeper allows you to put a PC into any sleep state (S1, S2, S3) supported by the system or into hibernation state(S4). Also wake the computer after a specified period of time. And put a PC to sleep or hibernation from the command line.