working out details at long island row road train crash in brooklyn this month. sleep apnea was reportedly a contributing factor in the crash of the national transportation safety board has not issued an official ruling. the director of the ntsb tells us they have been pushing for require testing for years but because there is not yet a federal regulation many don't test for the condition. >> that doesn't exist in the row road. it's a discrepancy that has existed for a long period of time and something we are looking to get fixed. >> sleep apnea specialist say treatment is relatively easy with the use of the cpap mask which aids in nighttime breathing. users can get the sleep they need. >> everybody with a bmi over 33 gets one. they are not expensive. it will still cost them money but think about the accidents. if you can prevent one accident and the legal costs related to these accidents you would pay