Why am I always tired?

Always sleepy no matter how much sleep you get?

“Why am I always tired?” is one of the most frequently asked questions on the internet. There are several potential causes for ‘being tired’. Here, we will discuss the causes of being tired. First, it is important to determine what is meant by ‘being tired’.

Let’s first discuss the word ‘Tired’.

The word “tired” can mean different things to different people. Clinicians usually try to differentiate if the person has fatigue or excessive daytime sleepiness.

Fatigue generally refers to the sensation of not having enough energy to complete certain tasks. The differential diagnosis (potential causes) of fatigue is very long. The list includes medications, anemia, depression, medical disorders, and many other causes.

Excessive Daytime Sleepiness, or EDS, has a much shorter list. However, the list is still long. Generally, the list includes causes that interfere with quality or quantity of sleep.

Causes of Excessive Daytime Sleepiness 

Many of the causes of Excessive Daytime Sleepiness include sleep disorders, such as sleep apnea, insomnia, circadian rhythm disorders, narcolepsy, and other sleep disorders.

Let’s return to determining the difference between fatigue and sleepiness. With fatigue, a person will usually complain that he or she does not have enough energy to get going, or to do certain things. But, when they close their eyes sitting or laying down, they do not fall asleep. This is an important point in differentiating the two symptoms.

With EDS, obviously when the person does sit or lay down for a rest opportunity, the person does fall asleep.

What can I do to be more alert and less sleepy?

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There are many things that you can do to be less sleepy. Once you know what the cause is, then you know where one of the fixes might be. A good start with improving daytime alertness is following good sleep hygiene. This includes getting adequate total sleep time. It also includes avoiding alcohol and caffeine before bedtime, not watching TV or reading in bed, and have a comfortable, quite, and dark bedroom.

Yes, people can have, and often do have, both complaints. It is also common for someone to have more than one problem. To start, it helps to know the difference between Excessive Daytime Sleepiness and fatigue. Instead of asking, “Why am I always tired?”, the question should be “Why I am always so sleepy?” or “Why I am I always so fatigued?”.  Once this has been determined, the next step is to figure out why.

Just about every sleep issue or sleep disorder can be a cause of excessive daytime sleepiness. Whether it is short-term (acute) or long-term (chronic), sleep problems are a leading cause for feeling tired.

In the following pages, we will explore some of the many sleep disorders that contribute to being sleepy. Part 2 – Sleep Disorders

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2 thoughts on “Why am I always tired?

  1. There are a few reasons Why am i always tired without any reason. One of them is anemia, which is a lack of red blood cells and conversely, oxygen from the lungs is not properly brought to the tissues and cells. Anemia may be caused by deficiency of vitamins or minerals, internal bleeding or chronic diseases. Women who are at “that time” of the month are susceptible to anemia as blood is lost during menstruation. Still, iron deficiency due to menstruation is less than in pregnant women or lactating mothers, as their body needs extra iron to maintain healthy blood levels.
    Things may also go wrong when your thyroid glands refuse to cooperate with you. Thyroid hormones, thyroxine (T4) and triiodothyronine (T3) are responsible for metabolic processes in the body. Too much thyroid hormone causes hyperthyroidism which speeds up metabolism while too little thyroid hormone slows down metabolism.
    Hyperthyroidism causes fatigue and muscle weakness and starts in the thighs. Doing energy demanding activities become difficult and other symptoms include weight loss, feeling warm, shorter menstruations, increased heart rate and thirst. Hypothyroidism also causes fatigue and muscle weakness. The symptoms are reversed to hyperthyroidism such as weight gain, feeling cold and longer menstruations.
    Diabetes, notorious for causing a range of problems in the body, is also related to fatigue. As glucose is the staple fuel of the body, it is not utilized properly in patients with type 2 diabetes as the absence of insulin causes the glucose to build up in the body. Without its staple fuel, the tissues of the body are not nourished properly and causes fatigue.
    Sadly, being sad can also be the reason you feel tired. Depression induces negative feelings and also has negative effects on the body as it causes a reduction in energy levels, changes in sleep and eating patterns, decreased concentration and overall laziness and worthlessness which keeps you in bed all day.

  2. There are a few reasons you are feeling tired without any reason. One of them is anemia, which is a lack of red blood cells and conversely, oxygen from the lungs is not properly brought to the tissues and cells. Anemia may be caused by deficiency of vitamins or minerals, internal bleeding or chronic diseases. Women who are at “that time” of the month are susceptible to anemia as blood is lost during menstruation. Still, iron deficiency due to menstruation is less than in pregnant women or lactating mothers, as their body needs extra iron to maintain healthy blood levels. Things may also go wrong when your thyroid glands refuse to cooperate with you. Thyroid hormones, thyroxine (T4) and triiodothyronine (T3) are responsible for metabolic processes in the body. Too much thyroid hormone causes hyperthyroidism which speeds up metabolism while too little thyroid hormone slows down metabolism. Hyperthyroidism causes fatigue and muscle weakness and starts in the thighs. Doing energy demanding activities become difficult and other symptoms include weight loss, feeling warm, shorter menstruations, increased heart rate and thirst. Hypothyroidism also causes fatigue and muscle weakness. The symptoms are reversed to hyperthyroidism such as weight gain, feeling cold and longer menstruations. Diabetes, notorious for causing a range of problems in the body, is also related to fatigue. As glucose is the staple fuel of the body, it is not utilized properly in patients with type 2 diabetes as the absence of insulin causes the glucose to build up in the body. Without its staple fuel, the tissues of the body are not nourished properly and causes fatigue. Sadly, being sad can also be the reason you feel tired. Depression induces negative feelings and also has negative effects on the body as it causes a reduction in energy levels, changes in sleep and eating patterns, decreased concentration and overall laziness and worthlessness which keeps you in bed all day.

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