AP5B1 and autoimmune pancreatitis: Injections of either BIBN or AP‐5 alone (no AIP) in the SI‐BF mice did not increase NREM, such that the sleep‐wake amounts post‐injection were comparable to the saline condition, demonstrating that the receptor blockers do not specifically promote sleep (Figure 6c), but instead block the relay of pain stimulus that leads to wakefulness.