How does Caffeine Keep us Awake?

How does caffeine keep us awake? - Hanan Qasim

Vocabulary Study

(Please read choose a word in video that means to you)

 單字, 詞性(n./adj./v….),中文意思, 例句

adenosine (n.) 腺甘酸 Adenosine is a chemical that can make us drowsy.

dopamine（n.）多巴胺 Dopamine is a chemical that makes you pleasure.

urination (n.) 排尿 she was unable to speak,eat,control urination or move her body.

insomnia (n.)失眠

Too much stress will sometimes cause insomnia.

metric (adj.)公制的 Metric units have been widely used in modern society.

        

Answer the following questions:

How does caffeine work in your body?

What’s the pros and cons of caffeine?

    

a.(林睿宏) 

Caffeine act as a stimulant system for our central nervous system. It can block adenosine, a substance that can draw us sleepy.

1.Pros:

Reducing the adenosine iseases like Pakinson's, Alzheimer's, and some types of cancer.

Making us feel better and alert.

2.Cons:

 (1)Raising our heart rate and blood pressure, which can increase urination or diarrhea.

 (2)Contributing to Insomnia and anxiety plus.

 (3)More of them would be needed as they power down our brain in long term consumption.

 (4)A sudden quit to it may lead to headaches, tiredness, and depression.

b.(許欣致)

1. Caffeine will inhibit adenosine, which slow the release of important brain-signaling molecules.

2. Caffeine can keep us awake and make us more concentrated. But it will also raise our blood pressure and make us feel anxious.

 c.(林廷曜)

1.Caffeine affect ATP,dopamine and adenosine in our body.Because caffeine and adenosine have a similar molecular structure,caffeine can influence adenosine receptors.

2.Caffeine can make our happy and not tired,so it also is a kind of medicine ,but too much caffeine would affect our health and destroy our body.

d.(趙庭睿)

1.Caffeine inhibits the adenosine which inhibits your neurons,so it stimulates you.

2.Caffeine helps us feel alert focused happy and energetic even if we haven’t had enough sleep ,it can also raise our blood pressure ,but it can also raise your heart rate that cause increase urination or diarrhea and contribute to insomnia.

    

e.(林昱驊)

Caffeine will make our nerves more sensitive to extrinsic stimuli and keep our body from falling asleep. 

If you have to work all night, caffeine may be some you need to prevent you from sleeping, but the more coffee you drink, the less effective it will be. You must drink more and more coffee to stop falling asleep.