PHYSICAL AND LITERARY. 503 



owing partly to the fenfe of feeling in the 

 lungs being then fomewhat diminifhed, 

 though in a much lefs degree than in 

 thofe morbid cafes ? 



To conclude with fumming up what 

 has been faid in a few words : In ordinary 

 fleep the fenfibility of the heart and lungs 

 fuffer fo fmall a diminution, that their 

 motions will be very little more affedled 

 by it, than they would be from the hori- 

 zontal pofition and reft of the body, and 

 compofure of mind attending it. In the 

 deeper fleep, which fucceeds great fatigue, 

 the motions of the heart and lungs will 

 be more obfervably altered. And, in the 

 moft profound fleep, occafioned by opium 

 or a morbid fl;ate of the brain, where a 

 general infenfibility reigns over the whole 

 body, the pulfe will become much more 

 remarkably flow and full, and refpiration 

 flower and deeper. 



Art. 



