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Why do I feel sleepy all day?

Author

Rachel Ellis

Published Jan 21, 2026

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.

How can I stop feeling sleepy?

  1. Get Up and Move Around to Feel Awake. ...
  2. Take a Nap to Take the Edge Off Sleepiness. ...
  3. Give Your Eyes a Break to Avoid Fatigue. ...
  4. Eat a Healthy Snack to Boost Energy. ...
  5. Start a Conversation to Wake Up Your Mind. ...
  6. Turn Up the Lights to Ease Fatigue. ...
  7. Take a Breather to Feel Alert. ...
  8. If You're Driving, Pull Over When Sleepy.

Why do I feel sleepy every few hours?

Excessive sleepiness is a common symptom of undiagnosed sleep apnea, narcolepsy, hypersomnia5, restless legs syndrome, and circadian rhythm disorders like shift work disorder. If your doctor suspects a sleep disorder is a reason you feel tired all the time, they may refer you to a sleep center.

Why do I feel tired after 8 hours of sleep?

Most likely, you're still tired after eight hours of sleep because of these three factors: (1), you don't know your sleep need, (2) you're not taking into account your sleep efficiency, and (3) you carry sleep debt.

How can I boost my energy?

Here are nine tips:

  1. Control stress. Stress-induced emotions consume huge amounts of energy. ...
  2. Lighten your load. One of the main reasons for fatigue is overwork. ...
  3. Exercise. Exercise almost guarantees that you'll sleep more soundly. ...
  4. Avoid smoking. ...
  5. Restrict your sleep. ...
  6. Eat for energy. ...
  7. Use caffeine to your advantage. ...
  8. Limit alcohol.
22 related questions found

Why am I sleeping 12 hours a day and still tired?

Characteristics of hypersomnia

In extreme cases, a person with hypersomnia might sleep soundly at night for 12 hours or more, but still feel the need to nap during the day. Sleeping and napping may not help, and the mind may remain foggy with drowsiness.

Why do I sleep for 10 hours and still feel tired?

Oversleeping is called hypersomnia or “long sleeping.” This condition affects about 2 percent of people. People with hypersomnia might require as many as 10 to 12 hours of sleep per night to feel their best.

Why is my energy so low?

Lack of energy is a typical symptom for most major diseases, like heart disease, many types of cancer, autoimmune diseases such as lupus and multiple sclerosis, and anemia (too few red blood cells). Fatigue also is a common sign of depression and anxiety. And fatigue is a side effect of some medications.

Why can't I stop oversleeping?

There are many reasons you may be sleeping more than you normally do or more than you should. If you're concerned about this or it happens for an extended period, it's always best to consult a medical doctor. Possible underlying causes could be depression, thyroid problems, or a sleep disorder.

Is it OK to sleep during the day instead of night?

There are many reasons for sleeping during the day, inclusive of casual napping, shift work or chronic health conditions. Sleeping for extended periods during the day is not recommended if it can be avoided. Shorter periods of day sleep are fine, ensuring they don't impact the quality and duration of nighttime sleep.

Is oversleeping a symptom of depression?

It's important to remember that oversleeping is a possible symptom of depression and that oversleeping doesn't cause depression. But it can exacerbate and worsen depression symptoms, Dr. Drerup explains. “If someone's oversleeping, they may wake up and feel like they've missed out on the day,” she says.

Is it normal to sleep 12 hours?

As adults, their nightly length of sleep tends to be 10 to 12 hours. This sleep is very normal and of a good quality. It is simply much longer than most people because of their natural biological clock. A long sleeper's main complaint is that there is not enough time during the day to be awake.

Why am I sleeping 18 hours a day?

Idiopathic Hypersomnia

This sleep disorder is characterized by difficulty waking13, excessive sleepiness, and the inability to feel rested after sleeping at night or napping during the day. With this disorder, you may sleep as much as 14 to 18 hours a day.

What foods give you energy?

To optimize your daily energy level, try adding some of these foods into your meal plan.

  • Oatmeal. The complex carbs in oatmeal mean it's a slow-burning source of energy. ...
  • Bananas. ...
  • Yogurt. ...
  • Sesame seeds. ...
  • Cinnamon. ...
  • Water. ...
  • Beans. ...
  • Lentils are tasty little legumes, rich in carbs and fiber.

Why do I feel sleepy no matter how much I sleep?

One Reason Why You May Always Be Sleepy: Hypersomnia

If you're otherwise healthy, but are always sleepy no matter how much sleep you get, you may have Hypersomnia. In short, hypersomnia is a chronic neurological condition that makes you tired no matter how much sleep you get.

What foods get rid of fatigue?

Foods That Beat Fatigue

  • Unprocessed foods.
  • Fruits and vegetables.
  • Non-caffeinated beverages.
  • Lean proteins.
  • Whole grains and complex carbs.
  • Nuts.
  • Water.
  • Vitamins and supplements.

Can you be addicted to sleep?

“Sleep addiction is not a medically recognized condition,” he says. According to the American Society of Addiction Medicine, people with addiction use substances or engage in behaviors that become compulsive and often continue despite harmful consequences. Sleep is a biological function and isn't fundamentally harmful.

How do I wake up refreshed?

Magic Mornings

  1. Sleep (Obviously!). The best way to wake up refreshed is to get seven to nine hours of sleep each night, says Singh, who stresses the importance of establishing good sleep habits. ...
  2. Work with your sleep cycle. ...
  3. Consider a.m. exercise. ...
  4. Eat a solid breakfast. ...
  5. Do something that brings you joy. ...
  6. Don't hit snooze.

What happens if you sleep too much?

Too much sleep on a regular basis can increase the risk of diabetes, heart disease, stroke, and death according to several studies done over the years. Too much is defined as greater than nine hours. The most common cause is not getting enough sleep the night before, or cumulatively during the week.

When is fatigue serious?

If the fatigue is associated with chest pain, shortness of breath, irregular heart rate, or sense of imminent passing out, these are urgent conditions that warrant immediate medical attention. These could be symptoms of a serious heart condition or major vascular insufficiency.

How is hypersomnia treated?

Your doctor can also prescribe various drugs to treat hypersomnia. These may include: Stimulants, such as methylphenidate (Ritalin) or modafinil (Provigil) Antidepressants, such as citalopram (Celexa), fluoxetine (Prozac), paroxetine (Paxil), sertraline (Zoloft)

Is ten hours of sleep too much?

How Much Sleep Is Too Much? Sleep needs can vary from person to person, but in general, experts recommend that healthy adults get an average of 7 to 9 hours per night of shuteye. If you regularly need more than 8 or 9 hours of sleep per night to feel rested, it might be a sign of an underlying problem, Polotsky says.

How many hours is oversleeping?

The Sleep Foundation defines oversleeping as sleeping more than nine hours in a 24-hour period.

Do I have hypersomnia?

What are the signs and symptoms of hypersomnia? Signs and symptoms of hypersomnia include: Constant, recurrent episodes of extreme sleepiness during the day. Sleeping longer than average (10 or more hours) yet still being very sleepy during the day and having difficulty remaining awake during the day.