Feeling tired all the time usually comes down to a mix of poor sleep, lifestyle factors, psychological causes, or a medical condition. If tiredness is persistent, affects your daily life, or comes with other symptoms, it is time to seek advice. At Broadgate General Practice, a healthcare provider can review your fatigue symptoms, carry out a physical examination, and arrange the right blood test to find the cause and support your recovery.
Everyday factors that affect your energy levels
Lifestyle habits often explain why you feel tired. Poor sleep is a common symptom driver, and even spending enough sleep time in bed will not help if quality is low. Daytime naps, noisy rooms, irregular bedtimes, and screens at night disrupt good sleep and lower energy levels the next day.
Alcohol and caffeine matter. Drinking too much alcohol, especially late at night, fragments sleep. People who drink alcohol over 14 units a week often report waking unrefreshed. Too much caffeine in the afternoon or evening makes it harder to fall asleep and can increase night waking. Both contribute to feeling exhausted the next day.
Diet and hydration also affect energy. Eating large, sugary meals can cause rapid blood sugar spikes that then crash, leaving you with low energy. Not drinking enough water reduces blood volume so the heart must work harder to move blood around the body, which can lead to headaches and tiredness. A healthy diet that includes steady, balanced meals supports more stable energy and better sleep.
Physical activity helps. Lack of movement can make you feel more tired all the time, while regular exercise supports deeper sleep, helps maintain a healthy weight, and raises daytime energy. Gradual increases in physical activity, even short walks, often improve energy within weeks.
Psychological causes of persistent fatigue
Psychological causes frequently cause fatigue. High stress, moving house, financial worry, caring responsibilities, and work pressure can drain both mind and body. Prolonged stress can lead to poor sleep, which then worsens tiredness. Anxiety keeps the body on alert and can make you feel tired even after what seems like enough sleep. Depression is another common medical condition that can cause low mood, poor sleep, and low energy.
These pressures can make usual activities feel harder, slow your daily activities, and reduce motivation to exercise or eat well. Over time, this cycle can intensify tiredness. Addressing stress, anxiety, or a persistent low mood is often essential to restoring energy levels and improving sleep.
Common medical reasons for persistent tiredness
Many conditions cause fatigue. In some cases, fatigue is a symptom that appears early and may arrive before other symptoms.
- Anaemia, often from iron deficiency, can make you feel tired with pale skin, breathlessness, and dizziness.
- Hypothyroidism, an underactive thyroid, is a common cause of fatigue and may come with weight gain, dry skin, and feeling cold.
- Diabetes can cause fatigue due to fluctuating blood glucose and dehydration.
- Vitamin D deficiency is linked with tiredness and low mood.
- Autoimmune diseases and other health conditions, including inflammatory illnesses, can cause long-lasting fatigue.
- Some medicines and medication side effects can reduce energy levels or disturb sleep.
If you feel tired all the time and simple lifestyle changes do not help, or if there are other symptoms such as weight loss or night sweats, speak to a healthcare provider. Many conditions that cause fatigue can be identified with a careful history, a physical examination, blood pressure checks, and a targeted blood test panel.
Specific issues and GP checks: physical examination and blood tests
A GP will look for patterns in your tiredness, sleep, exercise, diet, and lifestyle factors. During your consultation at Broadgate General Practice, a healthcare provider can take blood pressure readings, check your heart and lungs, and look for clinical signs such as pale skin or thyroid swelling. They can also arrange a blood test if needed, for example to check for anaemia, thyroid function, vitamin levels, or diabetes markers.
Shortness of breath with tiredness needs prompt assessment to rule out anaemia and heart or lung problems. Brain fog alongside fatigue may relate to poor sleep, low vitamin B12, thyroid disease, or other health conditions. If your fatigue feels severe, lasts more than a few weeks, or interferes with daily life, seek advice. Sudden weight loss, persistent night sweats, chest pain at night, or new swelling should be assessed without delay.
When to seek medical advice for your fatigue
Tiredness that persists for more than three to four weeks despite lifestyle changes should be reviewed. Seek urgent help if you notice:
- Unexplained weight loss, persistent night sweats, or a fever at night
- Chest pain, shortness of breath, or a fast or irregular heartbeat
- Severe low mood, thoughts of self‑harm, or marked anxiety
- New confusion, leg swelling, or fainting
- Blood in stool or urine, or any new severe pain
A healthcare provider can distinguish lifestyle causes from an underlying medical condition. Assessment may include a physical examination, blood pressure measurement, and a blood test to check for anaemia, thyroid issues, vitamin deficiencies, diabetes, and signs of inflammation or infection. Even if previous tests were normal, repeat or additional tests can uncover other health conditions. Diagnosis might also involve a sleep assessment if a sleep disorder is suspected.
Chronic fatigue syndrome explained
Chronic fatigue syndrome, also called ME, is a long‑term illness defined by profound fatigue that does not improve with rest. Typical fatigue symptoms include unrefreshing sleep, post‑exertional malaise, thinking or memory problems, and pain. The fatigue often limits daily activities for months, and some people may experience relapses after minor physical activity or mental effort.
There is no single test for chronic fatigue syndrome. A GP first rules out other diseases that cause fatigue, such as anaemia, thyroid disease, diabetes, or inflammatory illnesses. Management focuses on pacing activity, improving sleep hygiene, managing pain, and treating coexisting anxiety or low mood. If your fatigue feels disproportionate to your activity and you cannot return to usual activities even after rest, speak to a healthcare provider for tailored treatment and support.
Hypothyroidism and fatigue
Hypothyroidism can cause fatigue, weight gain, dry skin, feeling cold, and constipation. Treatment is aimed at restoring normal thyroid levels with medication. To fight fatigue with hypothyroidism, ensure you take your medication as prescribed and have regular follow‑up for dose adjustment. Practical tips for people with hypothyroidism include keeping to the same daily schedule for medication, leaving a gap before you eat to aid absorption, and discussing any medicines or supplements that might interfere with your tablets. You cannot naturally cure hypothyroidism, but a healthy diet, regular exercise, and steps to reduce stress can support energy and sleep.
Short‑term tiredness versus something more serious
Short spells of tiredness often relate to a few nights of poor sleep, travel, a virus, or a run of stressful days at work. Rest, hydration, and light exercise usually help. Concern rises when you feel tired all the time, you cannot do usual activities, or there are other symptoms such as weight loss, night sweats, or chest tightness at night. Older adults can be more sensitive to medicines, dehydration, and sleep disruption, so a review of medication and sleep can make a clear difference.
Practical steps to improve energy
Improving energy levels typically needs more than one change. Small, consistent lifestyle changes are often most effective. Aim for regular exercise suited to your ability, steady meal patterns, and a calm wind‑down before bed. Keep alcohol modest and avoid caffeine late in the day. Try to go to bed and get up at the same time each day, keep your room dark and cool, and limit screens in the hour before bed. If naps are needed, keep them short and early in the afternoon, then protect your night sleep.
If worry or stress is high, support that helps you reduce stress usually pays off in better sleep and energy. Breathing exercises, a short daily walk, and limiting evening emails or news can calm a racing mind. If anxiety, depression, or persistent low mood affect your life, talk to a healthcare provider about treatment options and community resources.
What to expect at Broadgate General Practice
We look at the whole picture. A consultation for tiredness at Broadgate General Practice typically includes a thorough history, a physical examination, and checks of blood pressure and heart rate. If needed, a blood test can assess iron and ferritin for anaemia, thyroid function for hypothyroidism, vitamin D or B12 levels, blood glucose for diabetes risk, and other markers guided by your symptoms. Your healthcare provider will discuss safe physical activity targets, diet changes that support steady energy, and sleep strategies that fit your lifestyle.
Treatment depends on cause. If medicines or medication side effects could be part of the problem, your clinician will review options. If dehydration, irregular meals, or too much caffeine or alcohol contribute, your plan will focus on practical, trackable steps that fit your daily life. Improving energy levels requires a personalised approach, and we review progress so your plan adapts as your energy improves.
Key takeaways and red flags for tiredness
Feeling tired is common, but being tired all the time is not normal. Lifestyle factors like poor sleep, too much alcohol, or too much caffeine often contribute. Psychological causes, including stress, anxiety, and depression, can cause fatigue and disturb sleep. Many conditions, such as anaemia, hypothyroidism, vitamin D deficiency, and diabetes, cause fatigue and other symptoms. Seek help urgently if you have sudden weight loss, night sweats, chest pain, shortness of breath, or fainting. A healthcare provider can help with diagnosis, treatment, and a plan that supports daily activities and long‑term health.
Book a GP appointment
Ready to stop feeling exhausted and find the cause of your tiredness? Book an appointment with Broadgate General Practice to discuss why you’re feeling tired all the time and get clear next steps with a healthcare provider.
FAQs
Do you offer online GP consultations for tiredness?
Yes. If you prefer not to attend in person, you can book an online consultation with a GP to discuss persistent tiredness and next steps, including whether blood tests are needed.
Can Broadgate General Practice arrange blood tests for fatigue at the same appointment?
Your clinician can organise targeted blood tests to check for causes such as anaemia, thyroid disease, vitamin deficiency, or diabetes. Timing and any preparation will be explained during your visit.
How quickly can I book a same‑day GP appointment near Liverpool Street?
Same‑day appointments are usually available at our central London clinic near Liverpool Street. If you need to be seen quickly, contact us and we will offer the earliest suitable time.
What happens during a fatigue assessment at Broadgate GP?
A GP takes a detailed history and performs a physical examination, including blood pressure checks. They will discuss sleep, lifestyle factors, medicines, and arrange blood tests where appropriate.
What red flags should prompt urgent help?
Seek urgent help for chest pain, shortness of breath, fainting, persistent night sweats, or unexplained weight loss. New confusion, leg swelling, or severe low mood with thoughts of self‑harm also need prompt review.
