日常生活类阅读理解专训(一)We spen d a b o u t on e-thi rd of our l i ves a sle ep、Th i s ma y sou l d like a l ot of t ime,b u t i t i s not w a sted、O ur bo d ie s n e e d s leep t o st a y healthy、No t gett i ng e no u gh ale e p ca n make us s ic k、S le e p and our im m u ne(免疫)s ystemT h e i mmune sy s t e m prot ec t s the body fr o m dise a ses and infect i ons(传染)、No t g e tt i ng e n ough sl eep hur t s thi s prot e ctive syste m、Th e May o Clin i c i s a research h o sp it al in the U nited States、Its website ex p lains tha t w h en w e s l eep ou r bodie s p roduce pro t e i n s(蛋白质)t ha t sup p ort sleep and h elp us f ig h t infecti o ns、T hey ad d th a t i n fe ct ion-fighting an ti b o d ies(抗体)are r edu c ed durin g peri od s w hen y o u d o n’t g e t en o ugh sl e e p、A new s t u d y f