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Is 12 hours of sleep too much?

Author

Mia Kelly

Published Jan 13, 2026

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.

Is it normal to sleep 12 hrs a day?

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.

Is 12 hours a healthy amount of sleep?

National Sleep Foundation guidelines1 advise that healthy adults need between 7 and 9 hours of sleep per night. Babies, young children, and teens need even more sleep to enable their growth and development. People over 65 should also get 7 to 8 hours per night.

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.

How many hours is oversleeping?

Oversleeping, or long sleeping, is defined as sleeping more than nine hours in a 24-hour period. On average, most adults require seven to nine hours of sleep4 nightly. A good night's sleep promotes overall health and mental alertness5. Without enough sleep, you may feel sluggish and unable to focus.

25 related questions found

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 many hours does Elon Musk sleep?

Musk wakes up each morning at around 7 am. He says he likes getting around six to six-and-a-half hours of sleep per night. Sleeping in is not an option for him, saying it affects his performance more than if he sleeps less.

How can I stop sleeping for 12 hours?

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.

How can I sleep 12 hours straight?

They recommend these tips for getting a good night's sleep:

  1. Go to sleep at the same time each night, and get up at the same time each morning, even on the weekends.
  2. Don't take naps after 3 p.m, and don't nap longer than 20 minutes.
  3. Stay away from caffeine and alcohol late in the day.
  4. Avoid nicotine completely.

Is 11 hours of sleep 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.

Why am I tired after sleeping 10 hours?

If you sleep more than you need to you're probably going to wake up from a later sleep cycle, meaning you'll feel groggy and tired even though you've slept more. It's the weekend and you can't wait to sleep in; it's been a long week and a good 10 hours of sleep will do you wonders, right?

Why do I love sleeping so much?

“If you are obsessed with sleeping or have an intense desire to stay in bed, you could be suffering from a condition called clinomania. That doesn't mean that there aren't people who can experience symptoms similar to addiction and even withdrawal in association with sleep, or lack thereof.”

How much sleeping is too much?

The “right” amount of sleep proves somewhat individual as some people will feel great on seven hours and others may need a little longer. However, in most studies and for most experts, over nine hours is considered an excessive or long amount of sleep for adults.

How can I sleep 8 hours in 2 hours?

How to sleep less and have more energy

  1. Get some light exercise. ...
  2. Avoid screen time for an hour before bed. ...
  3. Keep screens and other distractions out of your bedroom. ...
  4. Make sure your room is dark. ...
  5. Reduce caffeine intake. ...
  6. Eat a healthy diet. ...
  7. Avoid alcohol. ...
  8. Avoid liquids before bed.

Is 10 hours of sleep too much for a teenager?

Most teens need about eight to 10 hours of sleep a night on a regular basis to maintain optimal health and daytime alertness. But few teens actually get that much sleep regularly, thanks to early classes, homework, extracurricular activities, part-time jobs, social demands and screen time.

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.

What is long sleeper syndrome?

Long sleeping is an uncommon sleep finding or disorder characterized by the body's inclination to remain asleep for longer periods of time than would otherwise be deemed typical. This often results in 10 to 12 hours of sleep each night for people with the disorder.

Can oversleeping make you tired?

Research bears out the connection between too much sleep and too little energy. It appears that any significant deviation from normal sleep patterns can upset the body's rhythms and increase daytime fatigue.

How many hours do Mark Zuckerberg sleep?

Mark Zuckerberg: Facebook CEO and Originator

Mark Zuckerberg is one of the more normal internet entrepreneurs where sleep is concerned. Mark wakes up at around 8 am every day and sleeps at normal times: he gets 7 – 8 hours of sleep each day and has no specific sleeping habits.

How many hours did Nikola Tesla sleep?

Therefore, it appears he was able to gain an extra six productive hours a day. By following this unique regimen, he 'gained' an additional 20 years of productivity during his 67 years of life." Tesla allegedly never slept for more than two hours in any given 24-hour period, if you can even believe that.

How long does a president sleep?

His reported typical sleep schedule was 1:00 AM to 7:00 AM, but other recent West Wing residents have gotten by on less: Presidents Clinton and Trump each claim to sleep only 4 – 6 hours per night.

Is it OK to sleep all day?

It's true a good night's sleep is essential for health. But oversleeping has been linked to a host of medical problems, including diabetes, heart disease, and increased risk of death.

Is sleep like a drug?

How is sleep deprivation like a drug? Not only does a sleep deprived brain resemble a meth addict's, but your body also begins to act like it's on drugs.

Is it unhealthy to sleep too much?

Too much sleep — as well as not enough sleep — raises the risk of chronic diseases, such as coronary heart disease, diabetes, anxiety and obesity in adults age 45 and older. Sleeping too much puts you at greater risk of coronary heart disease, stroke and diabetes than sleeping too little.

What do you call a person that sleeps a lot?

Hypersomnia is a condition in which people have excessive daytime sleepiness. This means they feel tired during the day. Hypersomnia can also include situations in which a person needs to sleep a lot. This may be due to other medical conditions, but can also be due to a problem in the brain.