I am not sure if we can post links, but the best info on the web about it is EMDR.com. It isn't hypnotization, you are in control of everything the whole time.

In laymans terms, is it like when you experiece a trauma situation, your brain freezes, and it remains stuck. This is why people have flashbacks, etc, because the situation is still stuck.

EMDR simulates what is simular REM sleep. It unlocks the froozen, and allows you to fully process it till it becomes less sensitive to you. It doesn't work for everyone, but recently the VA recommened it for their clients (soldiers). But whatever you do if you deceide you are interested, find someone who is at least level 2 certified, and has a lot of experience doing it.