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| Meta Title | Tiredness and fatigue - NHS |
| Meta Description | Find out about some of the common causes of tiredness and fatigue, treatments and things you can do to help, plus when to get medical advice. |
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| Boilerpipe Text | It's normal to feel tired sometimes. But if you're tired all the time and do not know why, it could be a sign of a problem.
Causes of tiredness and fatigue
Common causes of tiredness and fatigue include:
not getting enough sleep or finding it hard to get to sleep (
insomnia
)
an unhealthy lifestyle (such as having an unhealthy diet and not getting much exercise)
stress
,
depression
and dealing with life challenges, such as
bereavement
or looking after a new baby
hormonal changes (such as during puberty,
pregnancy
or the
menopause
)
some illnesses, like
glandular fever
and
COVID-19
some medical treatments and medicines, like chemotherapy, which can cause drowsiness for a while
But if you cannot explain why you're tired and it's been going on for a while and not getting any better, it may be a sign of a medical condition.
Your symptoms might give you an idea of what's causing your tiredness or fatigue. But do not self-diagnose – see a GP if you're worried.
Conditions that can cause tiredness and fatigue
Symptoms
Possible cause
Tired during the day because of waking up at night, making gasping, snorting or choking noises at night and loud snoring
Sleep apnoea
Lack of energy, noticeable heartbeats (heart palpitations), shortness of breath and pale skin
Iron deficiency anaemia
Very tired, feeling very thirsty, peeing more often than usual (particularly at night), weight loss
Diabetes
Tired all the time, finding it hard to stay still, feeling nervous, anxious and irritable, muscle weakness
Overactive thyroid (hyperthyroidism)
Extreme fatigue for at least 3 months (making it very hard to do daily activities), problems with thinking, memory and concentration, flu-like symptoms
Myalgic encephalomyelitis or chronic fatigue syndrome (ME/CFS)
Things you can do to help with tiredness or fatigue
There may be things you can do to help with your tiredness or fatigue.
Do
have a healthy diet and exercise regularly
try to stick to the same sleep times and aim for 6 to 9 hours of sleep
try to relax a couple of hours before your sleep time (read, or listen to music or a podcast)
have a relaxing sleeping area (not too bright, noisy or warm)
Don’t
do not smoke
do not drink too much alcohol
do not eat, have caffeine or exercise in the couple of hours before sleep
do not use smartphones or screens in the hour before sleep
More information
Better Health: how to fall asleep faster and sleep better
Better Health: dealing with life's challenges
Non-urgent advice:
See a GP if:
you've been feeling tired for a few weeks and you're not sure why
your tiredness affects your daily life
you feel tired and have other symptoms, such as weight loss or mood changes, or you've been told you're making gasping, snorting or choking noises when you're asleep
Treatment for tiredness or fatigue
Treatment for tiredness or fatigue depends on the cause.
Possible treatments include:
talking therapies, such as
cognitive behavioural therapy (CBT)
advice on how to get better sleep
advice on how to relax or change your lifestyle
A GP may refer you to a specialist if they do not know the cause of your tiredness or fatigue.
You may need tests, such as
blood tests
to check for anaemia, diabetes or hyperthyroidism.
Page last reviewed: 02 June 2023
Next review due: 02 June 2026 |
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# Tiredness and fatigue
**It's normal to feel tired sometimes. But if you're tired all the time and do not know why, it could be a sign of a problem.**
## Causes of tiredness and fatigue
Common causes of tiredness and fatigue include:
- not getting enough sleep or finding it hard to get to sleep ([insomnia](https://www.nhs.uk/conditions/insomnia/))
- an unhealthy lifestyle (such as having an unhealthy diet and not getting much exercise)
- [stress](https://www.nhs.uk/mental-health/feelings-symptoms-behaviours/feelings-and-symptoms/stress/), [depression](https://www.nhs.uk/mental-health/conditions/depression/) and dealing with life challenges, such as [bereavement](https://www.nhs.uk/mental-health/advice-for-life-situations-and-events/bereavement/) or looking after a new baby
- hormonal changes (such as during puberty, [pregnancy](https://www.nhs.uk/pregnancy/common-symptoms/tiredness/) or the [menopause](https://www.nhs.uk/conditions/menopause/))
- some illnesses, like [glandular fever](https://www.nhs.uk/conditions/glandular-fever/) and [COVID-19](https://www.nhs.uk/conditions/covid-19/)
- some medical treatments and medicines, like chemotherapy, which can cause drowsiness for a while
But if you cannot explain why you're tired and it's been going on for a while and not getting any better, it may be a sign of a medical condition.
Your symptoms might give you an idea of what's causing your tiredness or fatigue. But do not self-diagnose – see a GP if you're worried.
| Symptoms | Possible cause |
|---|---|
| Tired during the day because of waking up at night, making gasping, snorting or choking noises at night and loud snoring | [Sleep apnoea](https://www.nhs.uk/conditions/sleep-apnoea/) |
| Lack of energy, noticeable heartbeats (heart palpitations), shortness of breath and pale skin | [Iron deficiency anaemia](https://www.nhs.uk/conditions/iron-deficiency-anaemia/) |
| Very tired, feeling very thirsty, peeing more often than usual (particularly at night), weight loss | [Diabetes](https://www.nhs.uk/conditions/diabetes/) |
| Tired all the time, finding it hard to stay still, feeling nervous, anxious and irritable, muscle weakness | [Overactive thyroid (hyperthyroidism)](https://www.nhs.uk/conditions/overactive-thyroid-hyperthyroidism/) |
| Extreme fatigue for at least 3 months (making it very hard to do daily activities), problems with thinking, memory and concentration, flu-like symptoms | [Myalgic encephalomyelitis or chronic fatigue syndrome (ME/CFS)](https://www.nhs.uk/conditions/chronic-fatigue-syndrome-cfs/) |
## Things you can do to help with tiredness or fatigue
There may be things you can do to help with your tiredness or fatigue.
### Do
- have a healthy diet and exercise regularly
- try to stick to the same sleep times and aim for 6 to 9 hours of sleep
- try to relax a couple of hours before your sleep time (read, or listen to music or a podcast)
- have a relaxing sleeping area (not too bright, noisy or warm)
### Don’t
- do not smoke
- do not drink too much alcohol
- do not eat, have caffeine or exercise in the couple of hours before sleep
- do not use smartphones or screens in the hour before sleep
### More information
- [Better Health: how to fall asleep faster and sleep better](https://www.nhs.uk/every-mind-matters/mental-wellbeing-tips/how-to-fall-asleep-faster-and-sleep-better/)
- [Better Health: dealing with life's challenges](https://www.nhs.uk/every-mind-matters/lifes-challenges/)
## Non-urgent advice: See a GP if:
- you've been feeling tired for a few weeks and you're not sure why
- your tiredness affects your daily life
- you feel tired and have other symptoms, such as weight loss or mood changes, or you've been told you're making gasping, snorting or choking noises when you're asleep
## Treatment for tiredness or fatigue
Treatment for tiredness or fatigue depends on the cause.
Possible treatments include:
- talking therapies, such as [cognitive behavioural therapy (CBT)](https://www.nhs.uk/tests-and-treatments/cognitive-behavioural-therapy-cbt/)
- advice on how to get better sleep
- advice on how to relax or change your lifestyle
A GP may refer you to a specialist if they do not know the cause of your tiredness or fatigue.
You may need tests, such as [blood tests](https://www.nhs.uk/tests-and-treatments/blood-tests/) to check for anaemia, diabetes or hyperthyroidism.
Page last reviewed: 02 June 2023
Next review due: 02 June 2026
## Support links
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- [NHS services](https://www.nhs.uk/nhs-services/)
- [Healthy living](https://www.nhs.uk/live-well/)
- [Mental health](https://www.nhs.uk/mental-health/)
- [Care and support](https://www.nhs.uk/social-care-and-support/)
- [COVID-19](https://www.nhs.uk/conditions/covid-19/)
- [NHS App](https://www.nhs.uk/nhs-app/)
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© Crown copyright |
| Readable Markdown | **It's normal to feel tired sometimes. But if you're tired all the time and do not know why, it could be a sign of a problem.**
## Causes of tiredness and fatigue
Common causes of tiredness and fatigue include:
- not getting enough sleep or finding it hard to get to sleep ([insomnia](https://www.nhs.uk/conditions/insomnia/))
- an unhealthy lifestyle (such as having an unhealthy diet and not getting much exercise)
- [stress](https://www.nhs.uk/mental-health/feelings-symptoms-behaviours/feelings-and-symptoms/stress/), [depression](https://www.nhs.uk/mental-health/conditions/depression/) and dealing with life challenges, such as [bereavement](https://www.nhs.uk/mental-health/advice-for-life-situations-and-events/bereavement/) or looking after a new baby
- hormonal changes (such as during puberty, [pregnancy](https://www.nhs.uk/pregnancy/common-symptoms/tiredness/) or the [menopause](https://www.nhs.uk/conditions/menopause/))
- some illnesses, like [glandular fever](https://www.nhs.uk/conditions/glandular-fever/) and [COVID-19](https://www.nhs.uk/conditions/covid-19/)
- some medical treatments and medicines, like chemotherapy, which can cause drowsiness for a while
But if you cannot explain why you're tired and it's been going on for a while and not getting any better, it may be a sign of a medical condition.
Your symptoms might give you an idea of what's causing your tiredness or fatigue. But do not self-diagnose – see a GP if you're worried.
| Symptoms | Possible cause |
|---|---|
| Tired during the day because of waking up at night, making gasping, snorting or choking noises at night and loud snoring | [Sleep apnoea](https://www.nhs.uk/conditions/sleep-apnoea/) |
| Lack of energy, noticeable heartbeats (heart palpitations), shortness of breath and pale skin | [Iron deficiency anaemia](https://www.nhs.uk/conditions/iron-deficiency-anaemia/) |
| Very tired, feeling very thirsty, peeing more often than usual (particularly at night), weight loss | [Diabetes](https://www.nhs.uk/conditions/diabetes/) |
| Tired all the time, finding it hard to stay still, feeling nervous, anxious and irritable, muscle weakness | [Overactive thyroid (hyperthyroidism)](https://www.nhs.uk/conditions/overactive-thyroid-hyperthyroidism/) |
| Extreme fatigue for at least 3 months (making it very hard to do daily activities), problems with thinking, memory and concentration, flu-like symptoms | [Myalgic encephalomyelitis or chronic fatigue syndrome (ME/CFS)](https://www.nhs.uk/conditions/chronic-fatigue-syndrome-cfs/) |
## Things you can do to help with tiredness or fatigue
There may be things you can do to help with your tiredness or fatigue.
### Do
- have a healthy diet and exercise regularly
- try to stick to the same sleep times and aim for 6 to 9 hours of sleep
- try to relax a couple of hours before your sleep time (read, or listen to music or a podcast)
- have a relaxing sleeping area (not too bright, noisy or warm)
### Don’t
- do not smoke
- do not drink too much alcohol
- do not eat, have caffeine or exercise in the couple of hours before sleep
- do not use smartphones or screens in the hour before sleep
### More information
- [Better Health: how to fall asleep faster and sleep better](https://www.nhs.uk/every-mind-matters/mental-wellbeing-tips/how-to-fall-asleep-faster-and-sleep-better/)
- [Better Health: dealing with life's challenges](https://www.nhs.uk/every-mind-matters/lifes-challenges/)
## Non-urgent advice: See a GP if:
- you've been feeling tired for a few weeks and you're not sure why
- your tiredness affects your daily life
- you feel tired and have other symptoms, such as weight loss or mood changes, or you've been told you're making gasping, snorting or choking noises when you're asleep
## Treatment for tiredness or fatigue
Treatment for tiredness or fatigue depends on the cause.
Possible treatments include:
- talking therapies, such as [cognitive behavioural therapy (CBT)](https://www.nhs.uk/tests-and-treatments/cognitive-behavioural-therapy-cbt/)
- advice on how to get better sleep
- advice on how to relax or change your lifestyle
A GP may refer you to a specialist if they do not know the cause of your tiredness or fatigue.
You may need tests, such as [blood tests](https://www.nhs.uk/tests-and-treatments/blood-tests/) to check for anaemia, diabetes or hyperthyroidism.
Page last reviewed: 02 June 2023
Next review due: 02 June 2026 |
| Shard | 75 (laksa) |
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| Unparsed URL | uk,nhs,www!/symptoms/tiredness-and-fatigue/ s443 |