The drug-induced sleep endoscopy (DISE) procedure is performed by an ear, nose and throat surgeon in the operating theatre with the patient in the supine position; the DISE procedure is recorded digitally. The drug-induced sleep endoscopy (DISE) procedure is performed by an ear, nose and throat surgeon in the operating theatre with the patient in the supine position; the DISE procedure is recorded digitally. O.M. Vanderveken, and A. Hoekema breathe 2010;7:157-167 ©2010 by European Respiratory Society