In reality, orexin is believed to market feeding largely by advertising arousal. Mutations in orexin receptors are liable for narcolepsy in a canine design, knockout of the orexin gene produces narcolepsy in mice, and people with narcolepsy have very low or absent amounts of orexin peptides in cerebrospinal fluid (Chapter https://hilaireo162xqk9.ltfblog.com/profile