whichkindoffancyhathnoparticularname，asbeingathingthatdothnotcommonlyfallintomen’sdiscourse。
Theimaginationsofthemthatsleeparethosewecalldreams。Andthesealsoasallotherimaginationshavebeenbefore，eithertotallyorbyparcels，inthesense。Andbecauseinsense，thebrainandnerves，whicharethenecessaryorgansofsense，aresobenumbedinsleepasnoteasilytobemovedbytheactionofexternalobjects，therecanhappeninsleepnoimagination，andthereforenodream，butwhatproceedsfromtheagitationoftheinwardpartsofman’sbody；whichinwardparts，fortheconnexiontheyhavewiththebrainandotherorgans，whentheybedistempereddokeepthesameinmotion；wherebytheimaginationsthereformerlymade，appearasifamanwerewaking；savingthattheorgansofsensebeingnowbenumbed，soasthereisnonewobjectwhichcanmasterandobscurethemwithamorevigorousimpression，adreammustneedsbemoreclear，inthissilenceofsense，thanareourwakingthoughts。Andhenceitcomethtopassthatitisahardmatter，andbymanythoughtimpossible，todistinguishexactlybetweensenseanddreaming。Formypart，whenIconsiderthatindreamsIdonotoftennorconstantlythinkofthesamepersons，places，objects，andactionsthatIdowaking，norremembersolongatrainofcoherentthoughtsdreamingasatothertimes；andbecausewakingIoftenobservetheabsurdityofdreams，butneverdreamoftheabsurditiesofmywakingthoughts，Iamwellsatisfiedthat，beingawake，IknowIdreamnot；
thoughwhenIdream，Ithinkmyselfawake。
Andseeingdreamsarecausedbythedistemperofsomeoftheinwardpartsofthebody，diversedistempersmustneedscausedifferentdreams。Andhenceitisthatlyingcoldbreedethdreamsoffear，andraiseththethoughtandimageofsomefearfulobject，themotionfromthebraintotheinnerparts，andfromtheinnerpartstothebrainbeingreciprocal；andthatasangercausethheatinsomepartsofthebodywhenweareawake，sowhenwesleeptheoverheatingofthesamepartscausethanger，andraisethupinthebraintheimaginationofanenemy。Inthesamemanner，asnaturalkindnesswhenweareawakecausethdesire，anddesiremakesheatincertainotherpartsofthebody；soalsotoomuchheatinthoseparts，whilewesleep，raisethinthebrainanimaginationofsomekindnessshown。Insum，ourdreamsarethereverseofourwakingimaginations；themotionwhenweareawakebeginningatoneend，andwhenwedream，atanother。
Themostdifficultdiscerningofaman’sdreamfromhiswakingthoughtsis，then，whenbysomeaccidentweobservenotthatwehaveslept：whichiseasytohappentoamanfulloffearfulthoughts；