In order to diagnosis rem sleep behavior disorder you should ask you doctor for a polysomnogram, which is used to diagnosis this disorder and rule out periodic limb movements, sleep apnea, and other sleeping disorders. The doctor may also run other test for any other associated sleeping problems. The good news is that rem sleep behavior disorder can be treated with medication. Clonazepam can be used to suppress REM sleep and inhibit physical activity during sleep. This treatment has been found to be successful in 90% of cases of rem sleeping disorders. Safety measures should be implemented to maintain a safe sleeping environment. Think about padding bed post, add padding to walls and other furniture if needed. If the behavior becomes to violent, you may want to consider sleeping in separate beds until your partner is able to seek treatment for their sleeping problem.