Does coffee make you tired? Here’s why

A large number of those who consume caffeine from coffee do so to increase their energy and improve their focus. However, for some people, it can make them tired.

Caffeine is the most widely consumed stimulant in the world. That being said, it does not affect everyone in the same way.

Some people, for example, can drink multiple cups during the day and experience few effects. Others may experience adverse effects after drinking a single cup of coffee.

According to the Food and Drug Administration (FDA), an average 8 ounce (oz) cup of coffee contains around 80–100 milligrams (mg) of caffeine.

In this article, we look at why coffee makes some people feel tired. We also discuss other potential effects of coffee and daily intake recommendations.

Coffee itself does not make people tired, but the caffeine in coffee and its effects on the body can sometimes cause tiredness.

Some reasons that drinking a cup of coffee might make someone feel tired include the fact that:

Caffeine blocks adenosine receptors in the brain

Share on PinterestThe chemicals in coffee can affect people differently.

Adenosine is a brain chemical that affects the sleep-wake cycle. Adenosine levels increase during waking hours and decrease during sleep.

Normally, adenosine molecules bind to special receptors in the brain, which slows down brain activity in preparation for sleep. However, caffeine prevents this from happening by binding to adenosine receptors.

The body rapidly absorbs caffeine, so people may feel its effects within minutes. In fact, the body absorbs 99% of caffeine within 45 minutes of consuming it. Once the body fully metabolizes the caffeine, its effects will wear off.

The length of time caffeine stays in the body varies from person to person. Although it blocks adenosine receptors, it does not affect the production of new adenosine molecules.

When caffeine wears off, adenosine molecules can bind to their receptors, which can cause sleepiness.

Some people build a tolerance to caffeine

People who regularly consume coffee and other caffeinated beverages can develop a tolerance to it. Since caffeine blocks adenosine receptors, the body produces more adenosine receptors to counteract the effects of frequent caffeine consumption.

In one small study, researchers examined the effects of continuous caffeine consumption on the cycling performance of 11 physically active adults.

At the start of the study, the participants had higher heart rates and exerted greater cycling power after drinking caffeine. After 15 days, however, the effects of the caffeine began to decrease.

Given these results, it appears that people who regularly consume caffeine may build up a tolerance to its stimulant effects.

However, other research has suggested that continuous exposure to caffeine does not affect how the body absorbs or metabolizes it.

Caffeine increases blood sugar levels

Coffee’s effects on blood sugar levels remains a point of controversy for researchers.

Many human and animal studies suggest that compounds inside coffee may improve glucose metabolism and reduce the risk of type 2 diabetes. However, the adverse effects of caffeine may negate the beneficial effects of drinking coffee.

According to a 2016 meta-analysis, caffeine can increase blood sugar levels by temporarily reducing insulin sensitivity.

In a small study, researchers observed that consuming 100 mg of caffeine adversely affected glucose metabolism in 10 healthy males with excess weight.

These findings suggest that caffeine, not coffee itself, can impact glucose metabolism, which can raise blood sugar levels.

People with high blood sugar may experience headaches, fatigue, trouble concentrating, increased thirst, or frequent urination until their blood sugar levels return to normal.

Coffee can affect more than a person’s energy levels. The sections below discuss a few possible effects of drinking coffee.

Insomnia

Share on PinterestDrinking coffee close to bedtime may cause insomnia.

People who drink coffee before going to bed may have trouble falling asleep.

The authors of a 2013 study recommend that people stop drinking coffee at least 6 hours before they plan to fall asleep.

Also, according to one 2016 study, researchers reported an association between higher caffeine intake and more severe insomnia in 234 middle school students in South Korea.

Anxiety

The caffeine in coffee may have adverse effects on people’s mental health. For example, high doses of caffeine (above 400 mg) can cause jitteriness and nervousness.

In people with panic disorders and depression, high doses of caffeine can trigger anxiety-related symptoms.

Cardiovascular effects

There may be temporary increases in heart rate and blood pressure after a person drinks caffeinated coffee.

However, current research suggests that mild-to-moderate coffee consumption may protect heart health.

In a 2017 study involving 557 individuals in Brazil, researchers found evidence to suggest that consuming one to three cups of coffee per day may reduce risk factors for cardiovascular disease in a population.

However, the findings of a 2019 study suggest that drinking more than six cups of coffee per day could increase cardiovascular risk.

Cancer prevention

The authors of a 2017 review article found evidence to suggest a potential association between increased coffee consumption and a reduced risk of hepatocellular carcinoma. This is a type of liver cancer.

Also, research from 2019 found that coffee compounds — including caffeine, trigonelline, and chlorogenic acid — protect against gastrointestinal and liver cancer progression.

However, more research is necessary to confirm the links between drinking coffee and cancer risk.

Other effects of drinking coffee

Other potential effects of drinking coffee include:

• increased alertness
• jitteriness or restlessness
• dizziness
• headaches
• dehydration
• stomach pain
• frequent urination

Share on PinterestAn adult should aim to consume no more than 400 mg of caffeine per day.

The Dietary Guidelines for Americans 2015–2020 recommend that most adults stick to 400 mg of caffeine per day.

Although no official guidelines exist for children and adolescents, research suggests that young children are more vulnerable to the effects of caffeine.

In pregnant women, caffeine can stay in the body up to 16 hours longer than usual. According to the American College of Obstetricians and Gynecologists, however, women can safely consume a moderate amount of caffeine (up to 200 mg per day) while pregnant.

If drinking a cup of coffee makes a person feel tired, the effects of caffeine may be responsible.

Caffeine increases alertness by interfering with certain chemical processes in the brain that regulate the sleep-wake cycle. However, once the body completely metabolizes caffeine, it can make people feel tired.

The rate at which a person’s body metabolizes caffeine varies depending on genetic and lifestyle factors.

People who drink coffee every day may develop a tolerance to caffeine’s stimulant effects, which means that they need to drink more of it if they want to experience similar results.

My Cholesterol – If My Ldl Cholesterol Is 146 And Total

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My cholesterol

Asked for Male, 26 Years

If my ldl cholesterol is 146 and total cholesterol is 211? It is normal or high?
Please give advice.
Thanks

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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.

Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.

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Admission // Official website of school No. 146, Perm

Posted at 16:57 June 26, 2023 (Monday)

Dear applicants entering the 10th grade!

If you have scored passing scores based on the results of entrance examinations, then representatives of the school will contact you before 18-00 on June 26 (Mon).
If you haven’t been contacted by school representatives before June 26 (Mon) 18-00, it means that you didn’t get passing scores in the entrance examinations.

Posted 05:11 05 June 2023 (Monday)

Dear parents of 7th and 8th grade students!
Documents will be accepted on June 1, 2, 5, 6, 7, 8 from 8:00 to 15:00 (12:00-13:00 – lunch break),
June 9 from 9:00 to 12:00 at the address st. Borovaya, d.24A, room. 105 (Director).

Posted at 12:35 02 June 2023 (Friday)

Entrance tests for vacant places of the 10th grade will be held on June 26, 2023 at 10:00 am in the MAOU “Secondary School No. 146” in Perm.

Entrance tests include:
1. Diagnostic work in mathematics lasting 120 minutes.
2. Diagnostic work in physics lasting 60 minutes.
Have a passport, stationery, a thin checkered notebook with you.

Application for participation in the selection (in the attached file) must be sent to email shkola146@permedu. online before June 22, 2023.

There are no vacancies in grades 7, 8, 9 and 11.

Posted at 3:07 pm May 25, 2023 (Thursday)

Dear parents of 7th and 8th grade students!
Testing in English will take place on June 1, 2023 at 10:00.
Bring writing materials with you.

Posted at 11:00 am March 27, 2023 (Monday)

Dear Parents.

7th and 8th grade enrollment in 2023 completed .
There are no vacancies.

Information about additional enrollment for 9th and 10th grades will be posted on the website after June 1, 2023 .

Posted at 17:26 March 22, 2023 (Wednesday)

The attachment contains the results of entrance examinations

Passing grade for grade 7 – 28 points
Passing grade for grade 8 – 24 points

IMPORTANT!
The meeting of the parents of applicants who scored a passing score
will be held on March 23 (Thursday) at 18-30
in the assembly hall of the MAOU “Secondary School No. 146″ (24a, Borovaya St.)

Posted at 17:31 March 20, 2023 (Monday)

Dear participants of entrance examinations!
See attachment for the oral interview schedule.
March 21 – oral tour for 7th grade applicants
March 22 – oral tour for 8th grade applicants

Bring writing materials, second shoes, documents confirming achievements in the subject area of ​​mathematics, computer science, etc.

.

Posted at 4:52 pm March 20, 2023 (Monday)

Dear participants of entrance examinations!
Passing score for the oral interview for applicants to Grade 7: 12 points
Passing score for the oral interview for applicants to grade 8: 9 points

The results of the diagnostic work of all participants in the attachment weekly)

In the attached files you can see the tasks and their solutions.

Posted 12:15 18 March 2023 (Saturday)

Written work for applicants in grades 7-8 will be conducted on March 20, 2023 (Monday) at 10:00.
The duration of the introductory work is 60 minutes.
Competitors are required to bring writing materials and a change of shoes.
If you did not receive a letter confirming receipt of your application by the school, or if you have problems sending the letter to the school, your child must bring a printed application with them.
During the entrance work parents are not allowed to school .

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HC RF Article 146. Procedure for organizing and holding a general meeting of members of a homeowners association \ ConsultantPlus

A revised version of the document has been prepared with amendments that have not entered into force

HC RF Article 146. The procedure for organizing and holding a general meeting of members of a homeowners association

Prospects and risks of disputes in a court of general jurisdiction. Situations related to Art. 146 ZhK RF

– The owner wants to invalidate the decision of the general meeting of owners of the premises (minutes of the general meeting) on ​​the maintenance and repair of common property MKD

– A member of the association of property owners wants to invalidate the decision of the general meeting of members of the TSN (minutes of the general meeting)

– The authorized body wants to liquidate the homeowners association established in violation of the law

– The owner of the premises wants to oblige the local government to hold a competition for the selection of a managing organization, since the owners of the premises have not chosen the way to manage the apartment building

1. Notice of holding of the general meeting of members of the homeowners association is sent in writing by the person on whose initiative the general meeting is convened, and is handed over to each member of the association against receipt or by post (registered mail) or in another way provided for by the decision of the general meeting of members of the association or the charter of the association. The notice shall be sent no later than ten days before the date of the general meeting.

(as amended by Federal Law No. 123-FZ of 04.06.2011)

(see the text in the previous edition)

1.1. The provisions of articles 45 – 48 of this Code shall apply to the procedure for holding a general meeting of members of a homeowners association, unless otherwise provided by this section.

(Part 1.1 was introduced by Federal Law No. 123-FZ of 04.06.2011)

day of the general meeting. The general meeting of members of the association of homeowners is not entitled to discuss issues that were not included in the agenda.

3. The powers of the general meeting of members of an association of homeowners shall be established in accordance with Article 45 of this Code and the charter of the association. The general meeting of members of an association of homeowners is competent if it is attended by members of the association or their representatives, who have more than fifty percent of the votes of the total number of votes of the members of the association.

(as amended by Federal Law No. 123-FZ of 04.06.2011)

(see the text in the previous edition)

4. Decisions of the general meeting of members of an association of homeowners on issues referred by this Code to the competence of the general meeting in accordance with clauses 2, 6 and 7 of part 2 of Article 145 of this Code shall be adopted by at least two-thirds of the total number of votes of the members of the association . Decisions on other issues are made by a majority vote of the total number of votes of the members of the partnership present at the general meeting or their representatives.

(as amended by the Federal Law of September 27.2009 N 228-FZ)

(see the text in the previous edition)

5. The general meeting of members of the homeowners’ association is chaired by the chairman of the board of the association or his deputy. In case of their absence, the general meeting is chaired by one of the members of the board of the partnership.