Orexin in A Sentence

    1

    As of the early 2000s, narcolepsy is thought to be an orexin deficiency syndrome; that is, it develops when a person's hypothalamus does not secrete enough orexins to keep the person from falling asleep at inappropriate times.

    2

    Malfunction of the orexin system causes narcolepsy in mice, rats, dogs and humans.

    3

    Narcolepsy is sometimes described as an orexin deficiency syndrome.

    4

    Orexin is used by the brain to keep you alert.

    5

    The honey's glucose level triggers the brain to stop producing the chemical orexin.