Why do you always want to sleep?

If You Constantly Feel Sleepy, the Reason May Be Lack of Sleep, Poor Nutrition, Vitamin Deficiency, or Health Issues

Sometimes drowsiness is simply due to fatigue, but if it happens regularly, it’s important to consider possible causes.

What Disorders in the Body Can Cause Drowsiness?

Lack of Oxygen and Circulatory Problems

When the brain does not receive enough oxygen, a person may feel tired and drowsy. This can be due to:

• A sedentary lifestyle
• Low hemoglobin levels (anemia)
• Vascular issues and blood pressure problems

Deficiency of Vitamins and Micronutrients

Certain nutrients play a key role in maintaining energy levels:

• Iron – A deficiency can lead to anemia, weakness, and rapid fatigue.
• Vitamin D – Its deficiency is especially noticeable in winter and can cause chronic fatigue.
• Magnesium – Important for the nervous system and sustaining energy levels.
• B vitamins – Affect metabolism and nervous system function; their deficiency lowers energy levels.

Why Shouldn’t You Self-Medicate?

Drowsiness can be a symptom of serious conditions such as diabetes, thyroid disorders, chronic fatigue syndrome, or depression. To determine the real cause, it is necessary to consult a doctor and undergo tests. Taking vitamins or medications without a proper diagnosis may only worsen the situation.

Interesting Facts About Sleep and Drowsiness

• A person may not notice chronic sleep deprivation – if you consistently sleep 5–6 hours a night, the brain adapts, but productivity and health decline.
• Coffee doesn’t always help – over time, the body gets used to caffeine, and it stops having a stimulating effect.
• Drowsiness can be caused by dehydration – if you don’t drink enough water, blood thickens, making it harder for the brain to receive oxygen.
• Some people genetically require less sleep – rare genetic mutations allow them to feel well-rested after just 4–5 hours of sleep.

Persistent drowsiness is not just fatigue; it’s a signal from the body that something is wrong. The causes can vary from vitamin deficiencies to serious illnesses. The key is not to ignore this symptom and to consult a doctor to identify the true cause and resolve the issue correctly.

Read also: Why Should You Wear Sunglasses?