The 1.0 version of Sleep-Wake Logger for Mac is provided as a free download on our website. This Mac download was checked by our antivirus and was rated as virus free. This free Mac app was originally designed by My Web Kft. The software is included in System Tools.
From the developer:
Sleep-Wake Logger records the time when your computer enters sleep and the time when it wakes up.
You may want to check out more software for Mac, such as Network Logger, Network Logger Pro or TimeMachine Error Logger, which might be related to Sleep-Wake Logger.