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Being constantly tired and wanting to sleep is not normal. Permanent fatigue can be linked to lack of sleep, a sleep disorder, hormonal imbalances, a chronic illness, or chronic fatigue syndrome. Identifying the cause is essential for implementing appropriate care.
Why am I always tired?
The feeling of persistent fatigue is often multifactorial. In the majority of fatigue cases, the main cause remains a lack of sleep or insufficient sleep duration. An adult needs an average of 7 to 9 hours per night.
- Chronic sleep deprivation
- Irregular sleep schedule
- Insufficient sleep quality
- Stress and mental overload
Fragmented or non-restorative sleep can lead to fatigue upon waking, headaches, decreased concentration, and a desire to sleep during the day.
The most common sleep disorders
Certain sleep disorders cause excessive daytime sleepiness. A person would suffer from daytime sleepiness when they struggle to stay awake despite seemingly sufficient sleep time.
| Sleep disorder | Main consequences |
|---|---|
| Sleep apnea | Nocturnal micro-awakenings, permanent fatigue, headaches upon waking |
| Restless legs syndrome | Nocturnal agitation, non-restorative sleep |
| Chronic insomnia | Reduced sleep time and lack of energy |
Sleep apnea is particularly common and can lead to severe fatigue even after 8 hours in bed.
Possible medical causes
Permanent fatigue can be a symptom of an underlying illness. When the feeling of fatigue lasts for several weeks, it is important to explore medical causes.
- Hormonal disorders (thyroid, hormonal imbalances)
- Recent or persistent infectious diseases
- Autoimmune diseases
- Nutritional deficiencies (iron, magnesium, vitamin D)
- Chronic illness
Hormonal imbalance can lead to significant fatigue and a lasting lack of energy. Autoimmune diseases and certain infectious diseases can also cause prolonged fatigue.
Chronic fatigue: when should you be concerned?
Chronic fatigue syndrome is a specific pathology. It is characterized by intense, persistent fatigue, not improved by rest, and which can lead to severe fatigue after minimal effort.
Associated symptoms may include:
- Muscle pain
- Concentration problems
- Frequent headaches
- Increased stress sensitivity
If fatigue lasts more than three months and impacts daily life, medical advice is essential.
What to do in case of permanent fatigue?
Adapted care depends on the identified cause. First and foremost, it is essential to evaluate one's lifestyle.
- Optimize sleep time (regular hours)
- Limit screens before bedtime
- Adopt a balanced diet
- Engage in moderate physical activity
- Check for potential deficiencies
In some cases, targeted food supplements can help reduce fatigue, especially in cases of iron, magnesium, or vitamin D deficiency. However, they do not replace a medical diagnosis.
Being constantly tired and wanting to sleep is not inevitable. Identifying the real cause allows for effective action and a stable energy level in the long term.
