英语作文熬夜的危害六级水平作文

Stayinguplatewillbedetrimentaltohumanhealth,becausetheadrenalcortexhormoneandgrowthhormoneareallsecretedduringthenightwhenpeoplearesleeping.Theformerissecretedbeforedawn,whichcanpromotethemetabolismofcarbohydrateinhumanbody,andprotectthedevelopmentofmuscle;whilethelatterisproducedonlyaftersleep,whichcannotonlypromotethegrowthanddevelopmentofyoungpeople,butalsocandelaytheagingprocessoftheelderly.Asaresult,stayinguplatewillcauseavarietyofharmstohumanbody.

First,frequentfatigueanddecreasedimmunity

Themostserioussequencecausedbystayinguplateisfatigueandlackofenergy.What'smore,theimmunityofhumanbodywilldecreaseaccordingly.Andsomeothersymptomssuchascold,gastrointestinalinfections,allergieswillalsoappear.

Second,headache

Thenextdayafterstayinguplate,youwillsufferfromheadachewhenyouareatworkoratclass.Youwillbeunabletoconcentrate.What'smore,long-termstayinguplateandinsomniawillalsobringinvisibledamagetoourmemory.

Third,darkcirclesandpuffiness

Nightisthetimeforhumanbodytohaveagoodrest.Withoutadequaterest,youwillfeelextremelytired,whichwillleadtopoorbloodcirculationaroundtheeyes,causingdarkcirclesorbloodstreakinthewhiteoftheeye.