ius ▁gr ants ' ▁whose ▁ideas ▁origin ated ▁in ▁dream s . ▁ ▁She ▁also ▁conducted ▁research ▁asking ▁college ▁students ▁to ▁inc ub ate ▁answers ▁to ▁real - life ▁home work ▁and ▁other ▁objective ▁problems ▁on ▁which ▁they ▁were ▁working , ▁finding ▁that ▁in ▁one ▁week ’ s ▁time , ▁half ▁had ▁dream ed ▁about ▁their ▁topic ▁and ▁half ▁of ▁those ▁had ▁a ▁dream ▁which ▁provided ▁an ▁answer . ▁Bar rett ▁describes ▁dream ing ▁as ▁simply ▁“ th inking ▁in ▁different ▁bio chem ical ▁state ” ▁and ▁bel ieves ▁we ▁continue ▁to ▁work ▁on ▁all ▁the ▁same ▁problems — person al ▁and ▁objective — in ▁that ▁state . ▁Her ▁research ▁con cludes ▁that ▁while ▁anything — math , ▁musical ▁composition , ▁business ▁d ile mm as — may ▁get ▁solved ▁during ▁dream ing , ▁the ▁two ▁areas ▁dream s ▁are ▁especially ▁likely ▁to ▁help ▁are ▁ 1 ) ▁anything ▁where ▁v ivid ▁visual ization ▁cont ributes ▁to ▁the ▁solution , ▁whether ▁in ▁art istic ▁design ▁or ▁in vention ▁of ▁ 3 - D ▁techn ological ▁devices ▁and ▁ 2 ) ▁any ▁problem ▁where ▁the ▁solution ▁lies ▁in ▁thinking ▁outside ▁the ▁box — i . e . ▁where ▁the ▁person ▁is ▁stuck ▁because ▁the ▁conventional ▁wisdom ▁on ▁how ▁to ▁approach ▁the ▁problem ▁is ▁wrong . ▁ ▁Bar rett ▁has ▁also ▁conducted ▁research ▁on ▁luc id ▁dream s ▁and ▁on ▁helping ▁people ▁suffering ▁from ▁P T SD ▁to ▁inc ub ate ▁master y ▁dream s ▁to ▁change ▁their ▁night mar es , ▁and ▁published ▁studies