CHAP. XXVI.
Of Dreames, and that of them there may be made good use in sicknesse and in health. Of night-walkers, or such as walke in their sleepe in the night-season, and the cause thereof.
NOw in our sleep there appeare unto us often i∣maginary visions and apparitions, which we call insomnium or somnium from somnus sleepe, and wee call in English dreames, and by the Greekes 〈 in non-Latin alphabet 〉〈 in non-Latin alphabet 〉,* 1.1 answerable to the Latine som∣nium. Dreaming then is a middle disposition with∣out any disease, betwixt sleeping and waking, in the which neither as waking doe the outward senses per∣forme their whole perfect actions; neither yet as wholly asleep are they altogether idle: howbeit this properly is an affection or function belonging to the principall faculty, especially the Fancy;* 1.2 which although the body bee asleep, yet is that together with the cogitation and memory, often set a worke; and be∣cause in an ordinary or meane sleep, the Fancy is often free, the discer∣ning faculty confused; therefore if severall objects or species, either re∣maining still in the senses, or which the body being yet awake, hath done or felt, it composeth together in many vaine visions, and as we commonly for hence call them, Fancies, the which being asleepe we seeme to see; and because reason is then weake we give thereunto our assent. But if it shall so come to passe (as we often find when we are as it were in a light slumber) that reason is at som more liberty, and giveth no assent to such Fancies exposed to our imagination, then such are not so properly called dreames. Of Dreames there have beene some supernaturall:* 1.3 and thus we read that in the old Testament, God did often reveale his Will by dreames and visions. With this supernatu∣rall dreame my purpose is not here to meddle at all. Some againe are naturall,* 1.4 arguing and declaring unto us often the state and dispositi∣on of the body in sicknesse and in health, and are by the Physitian onely to be considered, and to this onely end and purpose. Concer∣ning dreames a 1.5 Hippocrates among the rest of this works hath written one little Tractate, where he setteth downe divers things concerning sick∣nesse