What happens to your brain when you sleep too much?

For some people prone to headaches, sleeping longer than usual on a weekend or vacation can cause head pain. Researchers believe this is due to the effect oversleeping has on certain neurotransmitters in the brain, including serotonin.


What happens if a person sleeps too much?

Oversleeping is associated with many health problems, including: Type 2 diabetes. Heart disease. Obesity.

Does sleeping more affect brain?

Sleep is important to a number of brain functions, including how nerve cells (neurons) communicate with each other. In fact, your brain and body stay remarkably active while you sleep. Recent findings suggest that sleep plays a housekeeping role that removes toxins in your brain that build up while you are awake.


Does oversleep cause brain fog?

Sleep. You need sleep to help your brain work the way it should, but too much can make you feel foggy, too. Aim for 7 to 9 hours.

Can sleeping too much cause mental problems?

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.


How Oversleeping Destroys Your Body



How many hours is oversleeping?

When the cause for your sleepiness cannot be found, the disorder is called idiopathic hypersomnia. Oversleeping, or long sleeping, is defined as sleeping more than nine hours in a 24-hour period.

How does sleep affect IQ?

Less sleep lowers IQ scores and grades

According to Coren, scores on intelligence tests decline cumulatively on each successive day that you sleep less than you normally sleep. The daily decline is approximately one IQ point for the first hour of sleep loss, two for the next, and four for the next.

How do you recover from sleeping too much?

How To Stop Oversleeping
  1. Get Into a Routine. ...
  2. Create the Perfect Sleep Environment. ...
  3. Keep a Sleep Journal. ...
  4. Avoid Oversleeping on the Weekends. ...
  5. Put Technology Away. ...
  6. Create Healthy Eating Habits During the Day. ...
  7. Avoid Napping. ...
  8. Exercise During the Day.


Why do I feel tired if I sleep too long?

Scientists believe that the pacemaker evolved to tell the cells in our bodies how to regulate their energy on a daily basis. When you sleep too much, you're throwing off that biological clock, and it starts telling the cells a different story than what they're actually experiencing, inducing a sense of fatigue.

How do I know if I got too much sleep?

Excessive Sleeping Warning Signs

Low energy during the day. Symptoms of anxiety. Memory issues. Extreme sleepiness unresolved by napping.

Does sleeping more affect memory?

When you learn something new, the best way to remember it is to sleep on it. That's because sleeping helps strengthen memories you've formed throughout the day. It also helps to link new memories to earlier ones. You might even come up with creative new ideas while you slumber.


Does your brain shrink with less sleep?

Results show that participants with poor sleep quality had shrinkage in one part of their frontal cortex. They also had deterioration in three other parts of the brain that are involved in reasoning, planning, memory and problem-solving. The results were more pronounced in people over 60 years old.

Why do I sleep so much everyday?

This can be caused by a number of conditions, including depression, thyroid conditions, and heart disease. Some medications may also cause oversleeping. Oversleeping is sometimes temporary, and may be your body's reaction to an oncoming illness.

Why do I want to sleep so much?

The most common causes of excessive sleepiness are sleep deprivation and disorders like sleep apnea and insomnia. Depression and other psychiatric problems, certain medications, and medical conditions affecting the brain and body can cause daytime drowsiness as well.


What is the longest time a person has slept?

There isn't an official world record for the longest time asleep because it's hard to differentiate between those who sleep longer due to comas or medical conditions. However, in 2017, seven-year-old Wyatt Shaw fell asleep for 11 days!

Why is waking up so hard?

Sleep inertia, or wake-up grogginess, is the main reason you're unable to fully wake up in the morning or after a nap. It's a completely normal part of your sleep-wake cycle that's intensified by factors like high sleep debt and circadian misalignment (caused by sleeping in, social jetlag, and travel jet lag).

Can you be addicted to sleep?

Currently, no academic paper recognizes sleep as an addiction, Bodiu notes. However, she adds that excessive sleeping can be caused by other conditions. “Hypersomnias are recognized sleep disorders characterized by long sleep, excessive daytime sleepiness, or both,” Potter says.


Do intelligent people sleep more?

Intelligent people are more likely to have different sleep cycles (or circadian rhythms) than people with a lower IQ. In fact, research indicates that there's a strong correlation between intelligence and bedtime. That is the higher your IQ, the later you'll stay up.

Do highly intelligent people have trouble sleeping?

Did you know that insomnia is more common for those who have a high IQ. Intelligent people have a harder time switching off their brain. So, maybe you are just too clever to snooze! Don't panic, high IQ or not, cognitive behavioural therapy for insomnia can help you.

How much sleep does a genius get?

Albert Einstein is said to have slept 10 hours per night, plus regular daytime naps. Other great achievers, inventors, and thinkers – such as Nikola Tesla, Thomas Jefferson, Thomas Edison, Winston Churchill, Leonardo da Vinci, and Sir Isaac Newton – are said to have slept between two and four hours per day.


Is it OK if I sleep for 12 hours?

We often say that people need 7-9 hours of sleep, but some people require more sleep to feel rested. “Long sleepers” are people who regularly sleep more than the average person their age. As adults, their nightly length of sleep tends to be 10 to 12 hours. This sleep is very normal and of a good quality.

How much sleep does a 100 year old need?

Older adults need about the same amount of sleep as all adults—7 to 9 hours each night. But, older people tend to go to sleep earlier and get up earlier than they did when they were younger.

What age group is most sleep deprived?

As our children move through adolescence they sleep less and less. In the past twenty years there has been an overall decline in adolescent sleep. More than half of teen ages 15 and older sleep less than seven hours per night, and about 85% of teens get less than the recommended 8-10 hours of sleep per night.


Why do I feel better with less sleep?

This is because our brain is constantly forming new connections while we are awake. The longer we are awake, the more active our minds become. Scientists believe that this is partly why sleep deprivation has been shown to reduce symptoms of depression. However, there are negative outcomes of this, too.