Some volunteers who tried the narcolepsy treatment, sodium oxybate, found it eased their speech in a similar way to drinking alcohol, but without intoxication.

So, this carp species does not fall into a fainting state, as it is common in narcolepsy and does not require orexin to regulate their sleep-wake cycle.

He told the Statesman he cares for a number of chronically ill patients, including people with narcolepsy, and wants to continue treating them regardless of what happens to Saltzer.

People with narcolepsy are also sleepy during the day but usually do not sleep excessive amounts of time and may wake up feeling refreshed after naps.

In her latest study, she and her colleagues observed 27 people with narcolepsy — characterized by daytime sleepiness and a high frequency of lucid dreams — and 22 people without the condition.