Hi I've Been Prescribed 30mg Of Duromine,I've Taken It 3

Hi I've been prescribed 30mg of duromine,I've taken it 3 years ago and managed to loose 25kg and keep it off for 2 years then feel pregnant and after suffered with PND now being of my antidepressants, I have started duromine I have a 9 month old baby and am having trouble sleeping from the insomnia , I was curious if there is any sleeping pill you can take with duromine that dosent interact with eachother