Neuropeptide-like protein (PubMed:30229400). Plays a role in behaviors associated with a sleep-like state induced by stress (SIS), acting in concert with the FARP (FMRFamide related) peptides, flp-13 and flp-24 (PubMed:27546573). Expressed in the ALA neuron in L4 stage larvae. May be processed by convertase egl-3.