You cant
The way you make your dragon sleep on dragon fable is all too simple.
just equip your desired pet !
Blood Wolf cannot be obtained as a pet in DragonFable.
They are cheats that will raise levels and get you dragon amuletsgo to the pet shop and click on the pet is hiding behind the barrel AND lO!YOU SEE A CATLOCK IN A BAG
You can buy it from Cysero's Super Store of Savings for 50 to 100 Dragon Coins
get heavy fire striker and pet dragon (fire element) later suckas [zer was here]
get tomix and artix and a level 10 pet with good armor
go to falconreach and go to the ruight untill you see a builing with a paw on it go inside talk to aria and buy a pet
if you're member, you are able to summon your "enlarged" dragon in few dragon-rider quest, otherwise you can click on the Dragon amulet and summon your baby dragon as your pet or party ally.
you buy it in the pet shop in falconreach. keep going to the right until you see a door with a paw on it
cysero's pet orb in his store gives you the platinum penguin shrink ray
"Affects all roles in small ways" Also affects the chance of your pet doing a special/critical attack.