Google Nexus One: How to Prevent the Screen from Entering Sleep Mode While Charging

If you would like to keep your Nexus One’s screen on while it charges so that you can make use of applications like the Clock app, you can but you need to know where to look.

1. Go to the Home screen.

2. Select the Menu key.

3. Select Settings.

4. Select Applications.

5. Select Development.

6. Check the Stay awake checkbox.