Here about 750 cells produce orexin (also known
as hypocretin), a hormone that promotes wakefulness.
Orexins are also known
as hypocretins.
Not exact matches
Think of brain cells
as rooms with locks called receptors on their surfaces and a
hypocretin as a key that is also a stimulant.
Hypocretin Neurons may serve
as one of the answers to the question of exactly how that phenomenon comes about.
It seems
as though
Hypocretin Neurons may act
as a nexus of signal input for the appropriate synchronization of various autonomic, endocrine, and metabolic processes.
I have also personally experienced metabolic distress
as a result of fasting, which is evidenced by my interest in
hypocretin neurons.