The Tunis Science City organized a lecture around the theme of sleep apnea syndrome, on Friday, April 27th. The lecture was given by Professor Leila El Gharbi, head of service of pneumology in Abderrahmen Mami Hospital in Ariana. The lecturer talked about sleep apnea syndrome, a disorder which occurs during sleep. It is characterized by consecutive breathing interruptions. Each pause lasts for about ten seconds. This sleep disorder has many consequences and causes multiple health problems. During this lecture, Pr. El Gharbi shed light on the causes, the symptoms, the consequences and the treatment of this syndrome.