Increase the phpMyAdmin Session Timeout

You can override the setting for phpMyAdmin Session Timeout.
1.Open up config.inc.php in the root phpMyAdmin directory
2. Add this code anywhere on the document:

$cfg['LoginCookieValidity'] = ;

Where is some number larger than 1800. For example, 28800 works out to be 8 hours.

Disclaimer! It should go without saying that increasing the timeout is a (comparatively minor) security risk (but a risk nonetheless). Obviously, do not do this on your production server. And as always, proceed with caution.