https://pmc.ncbi.nlm.nih.gov/articles/PMC6193105/
The Leptomeninges Produce Prostaglandin D2 Involved in Sleep Regulation in Mice - PMC
Injection of nanomolar amounts of prostaglandin D2 (PGD2) into the rat brain has dose and time-dependent somnogenic effects, and the PGD2-induced sleep is...
prostaglandin d2sleep regulationleptomeningesproduce