About Neuropeptide Y all are true except
It is mediated through melanocorticotropin hormone
Decreases thermogenesis
Its level decreases during starvation
Contains 36 aminoacid residues
Neuropeptide Y has 36 amino acid residues. It stimulates appetite, reduces thermogenesis by decreasing the energy expenditure and also decreases the activity of MSH. 
During starvation, it is secreted at increased levels.