Biochem/physiol Actions Sleep-inducing brain lipid, which allosterically modulates GABAA receptors and potentiates 5-HT7 serotonin receptor responses. Selective endogenous agonist of rat and human CB1 cannabinoid receptor.
A brain lipid that induces physiological sleep at nanomolar quantities when injected into rats. This lipid may represent a new class of biological signaling molecules.