Chronicobstructivepulmonarydisease(COPD)doesn'tjustmakeithardforpeopletobreathe--itcouldalsonegativelyaffectsleep,anewstudysuggests.ResearchersatSt.Vincent'sUniversityHospitalinIrelandfoundthatpeoplewithCOPDaremorelikelytohavepoorqualityofsleepthanthosewithoutthelungcondition.Specifically,ittakeslongerforthemtofallasleepandtheyspendlesstimeactuallysleepingwhileinbed,comparedwithpeo...