Orexin, also known as hypocretin, is a brain hormone that helps regulate sleep. A deficiency of this hormone can cause a person to develop type 1 narcolepsy. Type 1 narcolepsy, formerly known as ...
The effects of sleep deprivation on cognitive function may be reversed by treatment with a compound called orexin-A, which occurs naturally in the mammalian brain. The new research was done with ...