Several issues about our study warrant discussion. First, the concept of insufficient sleep is not clearly defined. Its definition depends on the individuals’ ability to correctly judge their own sleep need. Therefore, the interpretability of this item is limited. Further, the insufficient sleep question does not differentiate between “rest” and “sleep.” Second, sleep disorders such as obstructive sleep apnea and insomnia are prevalent and often undiagnosed. Our data provide no information on sleep disordered breathing, other sleep symptoms, medication usage, mental/physical conditions, shift work, or caffeine consumption. Third is the issue of non-response. BRFSS has a relatively low-response rate. Because it is impossible to determine whether responders and non-responders differed in any meaningful way, potential bias is mitigated through the use of a weighting scheme in the context of a sample size large enough so that all groups are well represented. Although weighting procedures accounted for non-response to the BRFSS in general relative to state, age, sex, etc., weighting procedures did not account for non-response to the sleep item. However, these effects are probably small in magnitude because, on average,