No matter what assets in your estate are, you want to avoid probate and taxes. For many people, a retirement plan is a major asset. Many couples already list each spouse as a beneficiary of their retirement accounts, but are unsure of how a living trust affects their beneficiary designations.
Here's a couple of things to consider before naming your trust as a beneficiary:
1) No probate benefits. Probate is not required on accounts with designated beneficiaries. These types of accounts "pass" probate.
2) IRS provisions that give a surviving spouse favorable rights become ineffective once a living trust is named as a beneficiary.
More information on Trust Administration: