Windows team blog yesterday posted a blog post about a new tool called
Sleep Study which will allow you to diagnose your Windows 8.1 system’s sleep activity. It shows you how well the system slept and how much activity it experienced during that time. While in the sleep state, the system is still doing some work, albeit at a lower frequency.
We thought of simply using traditional logging to do this, but ironically, the logging itself would drain the battery. With this in mind, we designed the Sleep Study tool to minimize its own impact on battery life, while tracking the battery draining activities.
The Sleep Study report
You can use Sleep Study to see which apps and devices are most active during a sleep session. Sleep Study reviews all the sleep sessions longer than 10 minutes and provides you with a report that color codes each session according to its power consumption. A session is defined as the period from Screen Off to Screen On. In cases when the system is plugged into AC power, the policies are less stringent than when on battery power. While the tool still tracks connected standby activity on AC power, it is more useful to identify unexpected drains on battery, or DC power
Read about new InstantGo feature below,
Microsoft Details The InstantGo Feature In Windows 8.1, Lists Some Misconceptions About It
Read more about Sleep Study at Windows team blog.