Feeling exhausted is so common that it has its own acronym, TATT, which stands for "tired all the time". We all feel tired from time to time. The reasons are usually obvious and include: But tiredness
or exhaustion that goes on for a long time is not normal. It can affect your ability to get on and enjoy your life. Unexplained tiredness is one of the most common reasons for people to see their GP. Before you see a GP, you may want to work out how you became tired in the first place. It can be helpful to think about: A GP will look at the following causes of tiredness: Psychological causes of tiredness are much more common than physical causes. Most psychological causes lead to poor sleep or insomnia, both of which cause daytime tiredness. Psychological causes
include: The strains of daily life can worry most of us at some point. It's also worth remembering that even positive events, such as moving house or getting married, can cause stress. Read more about how to deal with stress. A bereavement, redundancy or a relationship break-up can make you feel tired and exhausted. If you feel sad, low and lacking in energy, and you also wake up tired, you may have depression. Check
how to tell if you have depression. See your GP if you think you are depressed. AnxietyIf you have constant uncontrollable feelings of anxiety, you may have what doctors call generalised anxiety disorder (GAD) in adults. As well as feeling worried and irritable, people with GAD often feel tired. See a GP, as medication and talking therapies can help. If you think your tiredness may be a result of low mood or anxiety, try this short audio guide to dealing with your sleep problems. Audio: sleep problemsIn this audio guide, a doctor explains what you can do to give yourself the best chance of a good night's sleep. Media last reviewed: 2 March 2021 Physical causes of tirednessThere are several health conditions that can make you feel tired or exhausted. These include:
Tiredness can also be the result of:
If you have been feeling constantly tired for more than 4 weeks, it's a good idea to see your GP so they can confirm or rule out a medical condition that could be causing your tiredness. Lifestyle causes of tirednessIn today's 24/7 "always on" world, we often try to cram too much into our daily lives. And to try to stay on top of things, we sometimes consume too much alcohol or caffeine, or eat sugary and high-fat snacks on the go rather than sitting down for a proper meal. The main lifestyle causes of tiredness include: AlcoholDrinking too much interferes with the quality of your sleep. Stick to the guidelines of no more than 14 units a week for both men and women. Read more about tips on cutting down on alcohol. ExerciseToo much or too little exercise can affect how tired you feel. Read more about the benefits of exercise. CaffeineToo much of this stimulant, found in tea, coffee, colas and energy drinks, can upset sleep and make you feel wound-up as well as tired. Try decaffeinated tea and coffee, or gradually cut out caffeine altogether. Night shiftsNight workers often find they get tired more easily. This is more likely if the timing of the shifts keeps changing. Daytime napsIf you're tired, you may nap during the day, which can make it more difficult to get a good night's sleep. Feeling run down after what you thought was a good night’s sleep? Reaching for that third cup of coffee by noon to keep you going? Sure, we all feel tired at different points in our lives. Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy But if you’re always feeling tired, it can be more than just not getting enough sleep. Feeling tired can stem from more serious issues like sleep apnea, depression, diabetes or chronic kidney disease. Family medicine specialist Jared Ankerman, MD, discusses the different reasons you might be feeling so tired. What’s causing you to be so tired?Are being tired and feeling fatigued the same thing? Yes and no, says Dr. Ankerman. “In today’s day and age, we use those terms interchangeably, which isn’t correct,” he says. “Tiredness is something that is natural. You might be tired after a busy day at work or exercising. That’s normal and most people experience that.” On the other hand, fatigue is more intense than just being tired. “No matter how much you rest, or how little you do, you still have this feeling of not having a ton of energy or ability to do much,” says Dr. Ankerman. “It can sometimes be a sign of something more serious going on.” So what might be causing you to be tired or feel fatigued? Here are a few reasons. AnemiaIf you have an iron deficiency, known as anemia, you don’t produce enough red blood cells. Those cells are needed to supply your body with the right amount of oxygen for organs to function correctly. It can lead you to feel run down and exhausted. Anemia is the most common blood condition in the U.S., affecting an estimated 3 million Americans. Sleep apneaAre you waking up throughout the night? You may have sleep apnea, a sleep disorder where your breathing is interrupted during sleep. While sleep apnea can lead to other health problems like high blood pressure, diabetes and heart attacks, it can also cause you to feel more tired than usual. “Inadequate sleep or broken irregular sleep can contribute to fatigue or tiredness,” says Dr. Ankerman. “A lot of people are chronically sleep deficient. I recommend that adults try to get at least eight hours of sleep.” PregnancyIt makes sense that if you’re pregnant you might be more tired than usual. “It’s a strain on your body,” says Dr. Ankerman. “You’re growing another human inside your body. Your body’s working to support you and the fetus with blood flow and energy.” Especially in your first trimester, you produce more progesterone, a hormone that can cause you to feel tired. DiabetesFor people who have diabetes, feeling tired is one of the main symptoms. “If people are poorly controlling their diabetes, they will see a spike in their blood sugar levels,” says Dr. Ankerman. “Having those spikes can actually dehydrate you slightly and that can cause fatigue.” DepressionTalking to your doctor about how you’re tired is a good starting point on determining if there are any underlying causes, says Dr. Ankerman. Your doctor will start with your medical history, do a physical exam and possibly request bloodwork. “If that’s all normal and we can’t find any cause of fatigue or tiredness, we’ll start to look at mood disorders,” says Dr. Ankerman. Depression can cause you to have little interest in daily activities, which can lead to fatigue, as well as affect your eating and sleeping habits. Underactive thyroidHypothyroidism, a condition where the thyroid gland (a small, butterfly-shaped organ located near the front of your neck) doesn’t produce enough thyroid hormone. Your metabolism starts to slow down and that can lead to fatigue. “When you talk to your doctor they will likely order some tests on your thyroid to determine if you have thyroid issues,” says Dr. Ankerman. Chronic kidney diseaseA decrease in kidney function may lead to a collection of toxins and impurities in the blood, which can cause you to feel tired and weak. Another risk factor? You can develop anemia, which can also explain your tiredness. “Especially patients who have end-stage renal disease or those who are on dialysis, they can have issues with fatigue,” says Dr. Ankerman. Bacterial or viral infectionYou have a cold or the flu. You’re feeling worn down and tired. That’s because your body is fighting the infection and it’s putting a strain on your immune system. “More serious bacterial and viral infections can interact with different organ systems which can cause fatigue,” says Dr. Ankerman. Infections like mononucleosis and COVID-19 can even cause long-lasting tiredness. Nutritional deficienciesNot getting enough vitamin B12 or vitamin D? That can cause you to feel tired as well. “I normally look for certain nutritional deficiencies,” says Dr. Ankerman. “Having a vitamin deficiency can cause issues with fatigue.” If your doctor finds you have a vitamin deficiency, they may suggest dietary changes or using supplements. Difference between feeling tired and chronic fatigueIf you have persistent, crippling fatigue that lasts 6 months or longer, you may have chronic fatigue syndrome. “Chronic fatigue syndrome has been studied more in the past five to 10 years,” says Dr. Ankerman. “Before it was thought of to be more of a psychiatric diagnosis.” Those with chronic fatigue syndrome may experience symptoms like:
“It can be debilitating,” says Dr. Ankerman. While there is no cure for chronic fatigue syndrome, it can be managed with cognitive behavioral therapy and medication like sleep aids. “It’s so important to talk to your doctor if you’re having symptoms,” says Dr. Ankerman. “If you’re concerned that this could be something more than just run-of-the-mill tiredness, they can help.” |
Why do i feel sleepy all the time even when i get enough sleep
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