Nov. 22, 2016 5:54 p.m. ET. The Obama administration considers North Korea to be the top national security priority for the incoming administration, a view it has conveyed to President-elect Donald Trumpâs transition team, according to people familiar with the conversations.
Narcolepsy with cataplexy is caused by the loss of a chemical in the brain called hypocretin. Hypocretin acts on the alerting systems in the brain, keeping us awake and regulating sleep wake cycles.
Narcolepsy is a brain disorder that causes excessive daytime sleepiness. There is sometimes a genetic component, but most patients have no family history of the problem. Though dramatic and uncontrolled sleep attacks have been the best-known feature of narcolepsy, in reality many patients do not have sleep attacks.