The cell bodies of orexinergic neurons are present in: (A) Locus ceruleus, (B) Dorsal raphe, (C) Lateral hypothalamic area, (D) Hippocampus
Answer is C. Brains from humans with narcolepsy often contain fewer hypocretin (orexin) producing neurons in the hypothalamus. hypothalamic neurons release orexin to play a role inswitching between sleep and wakefulness Ganongs review of medical physiology;26rd edition;pg:268,273