These sleep history questions are designed to determine the sleep quality, quantity, patterns, and sleep routine. The doctor may also examine a patient physically or check their mental state to find physical and mental causes. If no specific cause is indicated, there is a set of standard tests used to help narrow down the diagnosis.
Any tiredness that persists for a long time can be termed chronic, but medical papers and guidelines set chronic tiredness as being fatigue that lasts at least 6 months. A diagnosis of chronic fatigue syndrome CFS, also known as myalgic encephalopathy or ME is made when tiredness persists for more than 4 months and cannot be explained by another diagnosis.
Firm mattresses may suit people who want a supportive sleep surface. Learn about some of the best firm mattress options here. Using wrist accelerometers to generate data about sleep, researchers identified associations between sleep properties and mental health conditions. There is a range of affordable mattresses available to order online. Learn about the best options…. Learn more. Why am I so tired, and how do I beat fatigue? Elsevier Saunders; Simon NM. Treating complicated grief.
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Cushing syndrome Cyclospora infection Cyclothymia cyclothymic disorder Daily aspirin therapy Demyelinating disease: What can you do about it? Fatigue is a feeling of constant tiredness or weakness and can be physical, mental or a combination of both.
It can affect anyone, and most adults will experience fatigue at some point in their life. Each year, around 1. Fatigue is a symptom, not a condition. For many people, fatigue is caused by a combination of lifestyle, social, psychological and general wellbeing issues rather than an underlying medical condition. Although fatigue is sometimes described as tiredness, it is different to just feeling tired or sleepy.
Everyone feels tired at some point, but this is usually resolved with a nap or a few nights of good sleep. Someone who is sleepy may also feel temporarily refreshed after exercising. If you are getting enough sleep, good nutrition and exercising regularly but still find it hard to perform everyday activities, concentrate or be motivated at your normal levels, you may be experiencing fatigue that needs further investigation. There are a number of diseases and disorders which trigger fatigue.
If you experience prolonged bouts of fatigue, consult your doctor. Studies suggest that psychological factors are present in at least 50 per cent of fatigue cases.
These may include:. As fatigue can present a vast range of symptoms and be caused by many different factors working in combination, diagnosis can be difficult. Your doctor may diagnose fatigue using a number of tests including:. Fatigue is a symptom —something you can feel and describe — not a condition or disease. To reduce your fatigue you first need to understand what the underlying reasons for your fatigue are.
If fatigue is having a negative effect on your quality of life, or causing you distress, then consider speaking with a health professional. By asking questions, they will help you work out why you are experiencing fatigue, and offer some suggestions on how to find relief. If necessary, your doctor might suggest certain medical tests if there is a reasonable chance the cause of your fatigue may be an undiagnosed medical issue for example, anaemia or thyroid dysfunction.
Fortunately, for most people fatigue will get better over time on its own or with some simple and practical lifestyle changes. It may also be its own chronic condition, called chronic fatigue syndrome , or myalgic encephalomyelitis. Fatigue is associated with many health conditions and lifestyle factors. The sections below will outline these in more detail. Fatigue is a common symptom of clinical depression , either due to the depression itself or associated problems, such as insomnia.
Medication withdrawal can also cause fatigue until the body adjusts. Changes in dosage can also be a cause. Heart and lung conditions can affect blood flow in the body or cause inflammation and may lead to fatigue. These include:. Vitamin deficiencies, mineral deficiencies, and poisoning can all affect sleep and cause fatigue.
Consuming caffeinated or alcoholic beverages can also disrupt normal sleep, especially close to bedtime. Using products containing nicotine can also disrupt sleep. Fatigue can also be a symptom of infection. Some infections that cause extreme tiredness include:. People with chronic pain may wake up frequently throughout the night. They may also wake up feeling tired and poorly rested, having been unable to get good quality sleep.
In one study on fibromyalgia and sleep, half of the individuals with fibromyalgia also had sleep apnea, which contributes to fatigue. Overweight increases the risk of fatigue by increasing the risk of conditions that have fatigue as a common symptom, such as diabetes or sleep apnea. Similarly, people with underweight may tire easily, depending on the cause of their condition. Eating disorders, cancer, chronic diseases, and an overactive thyroid can all cause weight loss, as well as excessive tiredness and fatigue.
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