Sopite syndrome

Sopite syndrome is a poorly understood manifestation of motion sickness that causes drowsiness, mood changes, mental depression, and fatigue. [ [http://www.stormingmedia.us/24/2494/A249453.html Sopite Syndrome in Operational Flight Training - Storming Media ] ] Sopite syndrome may be the cause of motion-induced sleepiness that is experienced in situations such as driving, flying and being on a boat. It is also believed to be why babies fall asleep when rocked. [ [http://www.uams.edu/info/Updates/April01/dornhoffer.htm Dizzy State of Depression ] ] Sopite syndrome has been linked to the vestibular system which may modulate the effects of motion that both causes ("rocking") and disturbs ("shaking awake") sleep. [ [http://www.hsc.stonybrook.edu/som/neurobiology/pdf_files/2005%20Vestib_hypocretin%20.pdf Medial vestibular connections with the hypocretin (orexin) system ] ] Astronauts experiencing sopite syndrome have dubbed it "mental viscosity" or "the space stupids." [ [http://cosmiclog.msnbc.msn.com/archive/2007/05/31/210084.aspx Scares in space - Cosmic Log - msnbc.com ] ]

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