What is serotonin?

Answer 1

A molecule that controls your sleep, depression, memory and other neurological processes.

This chemical also regulates eating and aggression; it can contribute to depression.

A neurotransmitter, derived from Tryptophan, that is involved in sleep, depression, memory, and other neurological processes.

I assume you mean serotonin, which is a neurotransmitter in your body.

It is believed that serotonin has a role in controlling appetite, sleep, memory and learning, mood, temp regulation, behaviour, muscle contraction, and depression.

It is a well - known contributor to feelings of well - being.
Serotonin is a chemical known as hydroxytryptamine. This chemical is found in platelets. It plays and important role in intestinal motility, nausea and vomiting, sleep-wake cycle, obsessive-compulsive behaviors, depression, and eating.