14 An EJsay on the

real external objects, by means of the senses,when broad awake; £hewingas much back-wardness to them, and suffering as muchfrom them; awaking sometimes with trem-bling, sweating, and crying; and as muchfatigued by night with such visions, as withlabour and toil by day. I fay, this is com-mon experience; and there is nothing moreordinary, than to be made to fancy, imme-diately after we fall asleep, that we are plac-ed on some dreadful height, or precipice,or in some slippery dangerous station, wherewe are in hazard of falling, or are actuallytumbling down. The apprehensions fromthis visionary danger are as great as theycould be from the reality of the thing re-presented ; for the danger appears real. Weawake with a start, or cry; are glad to findourselves in safety, and the precipice va-nished (e). The recovering our waking me-mory,

(e) Lucretius is full in most of these places; and atleast doth not dissemble the circumstances, nor contra-dict the experience of mankind. At Ver. 1009. of Lib.4. he fays,

Multi depugnant , gemitusque dalorilus edunt ;

Et quaji pantheræ morsu , savique leonis

Mandantur , magnis clamaribm omnia complent.

Multi