The Associated Professional Sleep Societies LLC (APSS) is accepting late-breaking abstract submissions for SLEEP 2011. Abstracts may be submitted until Wednesday, March 23, 2011. Late-breaking abstracts will be presented during a scientific session on Wednesday, June 15, 2011, from 12:15 p.m. – 1:30 p.m. Up to five abstracts will be accepted for oral presentations in which authors will present their high-quality emerging data found between December 2010 and March 2011. Review the late-breaking abstracts submission guidelines online for additional details about participating in this session at SLEEP 2011.