I have had a stiff neck for 2 days I think it's from being on the computer for too long help!?

I work on my laptop and the other night I had really bad neck pain that was botherin me from sleeping I got a ten minute massage the following day and it was fine that night now tonight I have it again and I have pain relieving gel on. What can I do to keep this pain away at night? I plan on staying from the computer for awhile and limiting my time bit I do need sleep what can I do?!?help!