Why You Feel Extremely Tired Even After Resting

by Jenna Crawford October 05, 2017

Why You Feel Extremely Tired Even After Resting

Do you often go through the day feeling sleepy, sluggish, and lethargic, even after a full night's rest? While it's common to occasionally feel dead tired during the day, persistent symptoms of daytime drowsiness could be linked to your sleep and health habits.

We all tend to blame being tired of a too-busy lifestyle. And much of the time we're right. But if you feel tired all the time or you’re always asking yourself "why am I so tired?", don't blow it off. Give yourself about 2 to 3 weeks to make some lifestyle changes: Get more sleep, trim your social calendar, eat more wholesome foods, drink more fluids, take a multivitamin, and cut back on caffeine and alcohol.

This isn’t simply unpleasant – this can be frankly disturbing. If you don’t rest enough, this can result in your concentration dropping, your stress levels rising, and you over exhausting yourself as the result.

Here are a list of reasons why you feel extremely tired even after resting:

1. Anemia

The fatigue caused by anemia is the result of a lack of red blood cells, which bring oxygen from your lungs to your tissues and cells. You may feel weak and short of breath. Anemia may be caused by an iron or vitamin deficiency, blood loss, internal bleeding, or a chronic disease such as rheumatoid arthritis, cancer, or kidney failure.

2. Being Overweight

Carry extra pounds, especially in the neck and trunk section, and it’s more likely you’ll suffer from sleep apnea, which causes your airway to become blocked or obstructed during sleep, robbing you of quality deep sleep. The condition affects 90 percent of obese men, though it’s not purely a man’s disease. There was a report stating that after menopause, it’s just as likely to affect women. Even more disturbing, it goes undiagnosed in as many as 80% of those who get a lousy night’s sleep. 

Sleep apnea can mask itself as fatigue, trouble with concentration, dry mouth or even depression. Poor sleep makes people less motivated to increase physical activity, which can lead to more weight gain. 

3. Lack Of Sleep

Getting enough sleep is crucial for every person who wants to stay productive and focused during the day. The amount of sleep needed for that is different for every person, however.

That’s why instead of trying to sleep for 8 hours straight or thinking that a 4-hour sleep during a busy week won’t harm you, try to find out how much hours you need to rest and stick to that number.

The time when you wake up matters a lot too. Try using any smart alarm app, a fitness tracker or a smartwatch that tracks your sleep cycle and wakes you up when it’s easier for you to wake up.

4. Incorrect Carbohydrate Consumption 

Carbohydrates are a vital energy source and cutting them right down or out of your diet completely will leave you feeling drained and lacking in energy. This is especially true for people who combine a low or carb-free diet with intense exercise. However, eating too many carbs can also leave you feeling tired as your body struggles to digest the food. 

As a general rule around 20 percent of your plate of food should consist of carbohydrates at each meal, with 30 percent fat and protein and 50 percent fruit and vegetables.

5. Underactive Thyroid

The thyroid is a small gland in your neck. It controls your metabolism, the speed at which your body converts fuel to energy. When it is underactive and metabolism functions too slowly you may feel sluggish and put on weight.

6. Depression

More than "the blues," depression is a major illness that affects the way we sleep, eat, and feel about ourselves and others. Without treatment, the symptoms of depression may last for weeks, months, or even years.

7. Lack Or No Exercise

While the exercises might exhaust you, especially at first, they also help to boost your energy levels. This happens because the exercises increase the production of biochemicals in your body. The chemicals released during the exercise process decrease fatigue, help you stay more focused and feel better.

8. Effect Of Too Much Coffee

Drinking too much coffee leads to an addiction. The addiction often leads to you drinking coffee not long before going to sleep. The problem is that the caffeine can stay in your body longer than you expect it to, disrupting your sleep cycles and leaving you feeling more tired than before.

In order to avoid it, make sure to consume coffee wisely and avoid drinking it late in the evening if you’re planning on going to bed soon.

9. You Are In Too Much Stress

When you’re stressed, your body secretes cortisol, a hormone produced by the adrenal gland. This can disrupt the body’s natural rhythm. Cortisol is naturally produced in the morning. It peaks at around 8 am, the time when it can be helpful to naturally energize the body. But at the wrong time—like nighttime—it can make us hyper-aroused and disrupt our sleep.

10. Lack Of Vitamins

Some people take changes of the seasons well enough. Some, however, aren’t that lucky. This happens especially often when the cold season arrives. When the sunny days are replaced by cloudy and rainy ones, some people might experience quite a big vitamin D deficit. Avitaminosis is generally common during that time, so these two things combined can result in fatigue. In this case, consider adding more fruits and vegetables to your daily diet. You can consider taking vitamins as well.

11. Dehydration

Being dehydrated can make us feel sluggish so drinking more water may be the answer. Water keeps everything in our systems flowing. It flushes out toxins, keeps us hydrated and keeps our energy levels up.It’s also good to reach for water when we think we are hungry, we may simply need a drink.

Water is a superfluid. Keeping hydrated is an important thing to do as most of our bodies are made up of water. The chemical signals in our brains for dehydration and hunger are similar so don’t have a snack have a glass of water instead. You may be thirsty, not hungry.

12. Reactions To A New Medication

Feeling so tired and sleepy even after rest is one of the most common side effects of various medications, from antidepressants to anti-allergenic medicine. If you’ve started experiencing them soon after you began taking a new medication, maybe it’s better to wait for a while and see what happens.

If these things are really the side symptoms, they’ll vanish as soon as your body adjusts to them. However, it’s still important not to overdo here. 


Rest is an important element to maintain a healthy lifestyle. There are numerous reasons why a person still feels tired even after a rest-filled night. In this post, I shared with you the reasons why you feel extremely tired even after resting.

Jenna Crawford


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