Following along in MyCase is recommended as you read the article.
Overview
For your security, 8am™ MyCase is designed to automatically log you out if your account is idle for a certain period of time. By default, this duration is set to 10 minutes of inactivity. However, you can change the auto-logout time or even disable it completely, giving you full control over your account's security settings.
Adjust or Disable the Auto-Logout Feature
Navigate to Settings.
Under the Personal tab, click My Settings.
Next, click the Edit Preferences button.
Next to the Automatic Logout field, select the drop-down menu to change the Logout time.
To disable it completely, select the Disabled radio button.
Click Save Preferences.