The three catecholamine neurotransmitters: Norepinephrine (noradrenaline) – a neurotransmitter involved in sleep and wakefulness, attention, and feeding behavior, as well as a stress hormone released by the adrenal glands that regulates the sympathetic nervous system.
Os tres neurotransmisores catecolaminas: Noradrenalina (norepinefrina) - un neurotransmisor implicado no sono e insomnio, atención, e comportanmento de alimentación, e tamén como hormona do estrés liberada polas glándulas adrenais que regula o sistema nervioso simpático.