12 Reasons for Always Being Tired (and What to Do About It)

How we reviewed this article: · Healthline

Key Takeaways

Constant tiredness may stem from poor sleep, nutrient deficiencies, chronic stress, or an underlying condition needing treatment.

Common triggers: poor diet, too much caffeine, dehydration, and excess weight — all of which can hurt sleep and energy.

Unexplained or chronic fatigue? See a doctor to rule out sleep apnea, thyroid issues, diabetes, depression, or medication side effects.

If you’re feeling overly tired or have little energy, you’re not alone.

Fatigue may be caused by simple factors like a lack of sleep or coming down with a cold or the flu. However, it can also be caused by underlying health conditions.

In most cases, fatigue can be remedied by lifestyle or dietary modifications, correcting a nutrient deficiency, or treating an underlying medical condition. Still, to improve fatigue, you need to get to the bottom of what’s causing it.

Here are 12 potential reasons why you’re always tired.

Getting enough sleep is essential for overall health. Unfortunately, many of us don’t get enough, which may lead to fatigue.

During sleep, your body performs a

number of critical processes

, including releasing important growth… Show more

hormones and repairing and regenerating cells. This is why most people wake up feeling refreshed, alert, and energized after a night of

high quality sleep

.

Even though sleep time should be individualized adults should get at least

7 hours of sleep per night

for optimal health.

Insomnia is a term for any condition that causes difficulty falling or staying asleep. It can have several causes, including menopause, medical conditions, psychological stress, less optimal sleeping environments, and excessive mental stimulation.

If you’re experiencing insomnia, treatments like natural supplements, medications, and the management of underlying medical conditions may help. Visit your doctor to get the appropriate care and treatment.

Nutrient deficiencies

may lead you to feel exhausted on a daily basis, even if you’re getting more than 7 hours of sleep.

Deficiencies in the

following nutrients

have been linked to fatigue:

iron

riboflavin (vitamin B2)

niacin (vitamin… Show more

B3)

pantothenic acid

(vitamin B5)

pyridoxine (vitamin B6)

folate

(vitamin B9)

vitamin B12

vitamin D

vitamin C

magnesium

If you are experiencing fatigue, discuss with your healthcare professional if it is necessary to test for deficiencies. Typically, fatigue related to a deficiency in one or more nutrients improves once your nutrient levels normalize.

Although some stress is normal, chronic stress can

lead to fatigue

. In fact, chronic stress may lead to stress-related exhaustion disorder (ED), a medical condition characterized by psychological and physical symptoms of exhaustion.… Show more

Furthermore, chronic stress may cause structural and functional changes in your brain and lead to chronic inflammation, contributing to symptoms like fatigue.

A therapist may also help you develop strategies to reduce stress. Many health insurance plans cover mental health counseling, and virtual therapy is also an option.

If you’re experiencing unexplained, chronic fatigue, you should visit your doctor and discuss your symptoms.

They may recommend testing

to rule out

certain health conditions that cause fatigue, such as:

sleep apnea

hypothyroidism

… Show more

Your diet significantly affects the way you feel.

To maintain energy and get the nutrients your body needs to perform critical processes, it’s important to consume a balanced diet high in

nutrient-dense foods

.

When you don’t obtain… Show more

enough calories and nutrients like protein, your body breaks down fat and muscle to meet energy demands. This leads to losing body fat and muscle mass, which

may trigger

fatigue.

Additionally, diets high in

ultra-processed foods

impair energy levels. For example, a diet high in added sugar may harm sleep and lead to chronically high blood sugar and insulin levels, resulting in fatigue.

Following a diet low in ultra-processed food and added sugar but rich in nutrient-dense foods like fruits, veggies, legumes, and

healthy protein sources

may help reduce fatigue and support healthy sleep while providing your body with optimal nutrition.

Although caffeinated beverages like coffee and energy drinks feel like they boost energy, over-reliance on them may make you more tired the next day. That’s because too much caffeine can harm sleep, which may cause fatigue.

Research… Show more

shows that feeling tired in the morning leads people to consume large amounts of caffeine, which impairs their sleep cycle. In turn, you may overuse coffee or other caffeinated drinks for energy, which continues the

cycle of disrupted sleep

followed by too much caffeine.

While coffee and caffeinated beverages like green tea may benefit health when consumed in moderation,

energy drinks

are extremely high in stimulants and added sugar. Thus, you should avoid them whenever possible.

If you’re currently experiencing sleep issues and frequently drink caffeinated beverages, try cutting back to see whether it helps improve your sleep and energy levels.

Staying hydrated is important for maintaining energy levels. The many biochemical reactions that take place in your body every day result in a loss of water that needs to be replaced.

Dehydration occurs when you don’t drink enough liquid… Show more

to replace the water lost in your urine, stools, sweat, and breath. Being dehydrated

leads to lower energy levels

and decreased concentration ability.

Although you may have heard that you should drink eight 8-ounce (240-mL)

glasses of water daily

, hydration needs depend on several factors, including your weight, age, sex, and activity levels.

The key is drinking enough to maintain good hydration. Common

symptoms of dehydration

include thirst, fatigue,

dizziness

, and

headaches

.

Maintaining a

moderate body weight

is essential to overall health.

Not only is obesity significantly linked to a greater risk of many chronic conditions like type 2 diabetes, heart disease, and certain cancers, but it may also increase… Show more

your risk of chronic fatigue.

Obesity greatly increases your risk of obstructive sleep apnea, which is a common cause of daytime fatigue. It’s also linked to increased daytime sleepiness regardless of sleep apnea, suggesting that obesity directly affects the sleep cycle.

Maintaining a moderate body weight may support good sleep and energy levels, while getting high quality sleep may help prevent weight gain and reduce fatigue.

Many other conditions may lead to tiredness. It’s important to understand that several factors may contribute to your exhaustion.

Here are a few other common reasons why you may feel tired:

Drug and alcohol dependence: People who are dependent on drugs or

alcohol

are more likely to experience fatigue.

Shift work: Shift work causes sleep disruption and may result in fatigue.

A less active lifestyle: Leading a

less active lifestyle

may lead to tiredness during the day. Getting regular physical activity may decrease overall fatigue.

Certain medications: Some drugs, including steroids, blood pressure medications, and antidepressants, are linked to side effects like insomnia and increased tiredness.

If you’re consistently feeling tired, here are a few steps you could consider taking:

Track your symptoms to identify trends or possible lifestyle factors that may be affecting your sleep or energy levels.

Try adjusting your

sleep environment

to help you wind down before bed and potentially sleep better.

Connect with a healthcare professional, such as a primary care doctor or sleep medicine specialist, who can help you pinpoint possible causes and recommend the appropriate management plan.

Even though everyone has days when they feel exhausted, constantly feeling run down and tired isn’t normal.

Many possible factors cause chronic fatigue, such as underlying medical conditions, nutrient deficiencies, sleep disturbances, caffeine intake, and chronic stress.

If you’re experiencing unexplained fatigue, you must talk with your doctor to find the cause.

In many cases, your fatigue should improve once you identify the underlying cause(s) and make appropriate lifestyle and dietary adjustments — or get the right treatment for medical conditions.