getting tired due to stress might be mild narcolepsy

The orexin system is absolutely hardwired into the sympathetic nervous system

Source: Why Some People Respond to Stress by Falling Asleep - Elijah Wolfson - The Atlantic
added 2013-12-28T20:05:43Z by anders

hypocretin deficiency is diagnostically linked to narcolepsy

Measuring CSF hypocretin-1 is a definitive diagnostic test, provided that it is interpreted within the clinical context.

Source: The role of cerebrospinal fluid hypocretin measu... [Arch Neurol. 2002] - PubMed - NCBI
added 2013-12-28T20:04:14Z by anders