This issue provideds a comprehensive update to Sleep Medicine in the Intensive Care Unit, with editor Vipin Malik assembling a line-up of key topics such as: Sleep Neurobiology and Critical Care Illness, Obesity Hypoventilation Syndrome and Respiratory Failure, Obstructive Sleep Apnea, Non-Invasive Ventilation in Critically Ill Patients, Restless Leg Syndrome, Sleep and Endocrine System, Congestive Heart Failure and Central Sleep Apnea, Circadian...