The Unrest server is having some downtime overnight. Roshen posted on the official forums:

The Unrest server will be brought offline on Wednesday, February 18, 2015 at 4:00AM Pacific for server maintenance. This server is estimated to be unavailable for approximately four hours.

Keep an eye on the EverQuest II forums and social media for status updates and for news if additional downtime is needed.

Here's our handy time zone conversion tool to help you plan.