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The Effects of Oversleeping on Your Health and Well-being

Ana Marie Schick Jun 12, 2024

The effects of oversleeping and sleeping too much

We’ve all heard the phrase, “too much of a good thing.”

Consuming too much food can cause weight gain, eating too much candy can lead to cavities, and even drinking too much water can be potentially harmful.

Sleeping longer than one should on a regular basis can be too much of a good thing as well.

Everyone knows that sleep plays a crucial role in our overall health, and not getting enough sleep is never good. Achieving enough sleep, typically at least seven hours nightly, is essential for maintaining health and avoiding the negative effects of both too little and too much sleep. Less sleep can cause chronic diseases and make anyone feel sluggish and irritable throughout the day.

However, they may not realize that too much sleep can be dangerous to their overall health.

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What is Oversleeping?

Oversleeping, known as “hypersomnia,” occurs when a person sleeps more than nine hours within a 24-hour period, often due to excessive sleep. This amount of sleep varies from person to person. For example, some individuals may only need six hours while others require a lot more.

Oversleeping doesn’t affect individuals that need an extra hour or two of sleep and has no impact on those who need the extra sleep after a long trip, staying out late, recovering from illness, or even jet lag. However, it often serves as a symptom of underlying sleep disorders, including conditions like idiopathic hypersomnia and narcolepsy, which involve excessive sleepiness and difficulty waking up.

Oversleeping takes place when somebody gets more sleep than their body needs, such as sleeping for 11 to 13 hours each night

Is Too Much Sleep a Bad Thing?

It's important to note that the amount of sleep an individual needs can vary based on factors such as age and gender. While there isn't a one-size-fits-all recommendation for sleep duration, it's generally accepted that individual sleep needs differ.

Additionally, occasional short naps or irregular sleep patterns are often considered to have minimal negative impact on health.

Hours of Sleep Needed by Age

How many hours a night of sleep do we need? Well, the recommendations vary from person to person.

Below are recommendations for the amount of sleep needed:

  • Infants (ages 0 - 3 months): 14 -17 hours per day
  • Infants (ages 4 - 11 months): 12 - 15 hours per day
  • Toddlers (1 - 2 years old): 11 - 14 hours per day
  • Preschool (3 - 5 years old): 10 - 13 hours per day
  • School-Aged Children (6 - 13 years old): 9 - 11 hours per day
  • Teenagers (14 - 17 years old): 8 - 10 hours per day
  • Majority of Adults: 7 - 9 hours per day
  • Older Adults (65+): 7 -8 hours of sleep at night

Sleep Study: The Risk of Oversleeping "Too Much" [2]

Depression

Potential Reasons for Excessive Daytime Sleepiness and Oversleeping

Even though occasionally oversleeping is OK, regularly oversleeping may indicate a health issue. Oversleeping can negatively impact a person’s well-being and physical health. Excessive daytime sleepiness is a common symptom of narcolepsy, leading to overpowering urges to sleep during the day, which can be misdiagnosed as a psychiatric disorder.

Conditions like sleep apnea symptoms, including daytime sleepiness and snoring, may also result in oversleeping. Excessive sleepiness, a broader condition, can indicate various underlying health issues, including sleep apnea and other sleep disorders like idiopathic hypersomnia and narcolepsy.

Sleep Apnea and Other Oversleeping Health Conditions

Below are a few conditions to be aware of that may result in oversleeping:

  • Depression
  • Thyroid Issues
  • Certain Medication
  • Heart Disease
  • Chronic Pain
  • Obesity
  • Narcolepsy
  • Restless Leg Syndrome

Other Causes of Oversleeping:

  • Environment Factors
  • Physical Injuries
  • Drugs and Alcohol
  • Time Zone
  • Lifestyle Factors

Read More: Idiopathic Hypersomnia

What Happens If You Sleep Too Much?

Oversleeping can indicate specific health problems. Understanding how much sleep is needed is crucial; adults should aim for seven to nine hours per night. However, sleeping too much can occur during spells of stress or sickness but eventually restore itself once those two factors wither away.

But longer-term health issues, such as heart disease or diabetes, can lead to chronic oversleeping and may affect sleep. [3] “Researchers are careful to note, however, that two other factors—depression and low socioeconomic status—are strongly associated with oversleeping,” according to a WebMD article.

Both too little sleep and too much sleep are associated with a higher mortality rate, emphasizing the importance of finding a balance. Too little sleep, just like oversleeping, can lead to serious health issues, including hypersomnia, thyroid disease, kidney and liver disease, depression, and dementia.

Oversleeping Statistic: Roughly 15% of people with depression sleep too much or have difficulty sleeping.

Afterward, the article links lower socioeconomic status with less access to healthcare, indicating that improperly treated (or untreated) illnesses can lead to oversleeping.

Organizations, including the National Sleep Foundation, support seven to nine hours of sleep per night. But if you regularly need more than nine hours and still feel tired and fatigued, that could indicate a potential sleep or medical problem, suggesting you’re oversleeping

We believe the better metric is always the quality of sleep. If you’re concerned that you’re oversleeping, take inventory of your current circumstances; if you’re stressed or sick, work to address those elements first and see if a healthier sleep pattern returns.If you oversleep for an extended period of time, it’s recommended to see your doctor.

That way, you can address any real medical conditions about your oversleeping concerns and ensure you don’t have more severe disorders like obstructive sleep apnea, narcolepsy, or hypersomnia.

Impact of Oversleeping on Your Body

Similar to lack of sleep, oversleeping can negatively affect your overall health. Experts in sleep medicine have found that the longer you sleep, the following complications can potentially occur, including:

  • Headaches
  • Frequent mental distress
  • Obesity
  • Back Pain
  • Lessen your body’s immune function
  • Can potentially worsen inflammation in the body
  • Stroke
  • Diabetes

Professionals in the field of sleep medicine emphasize the importance of maintaining regular sleep patterns to prevent these health issues associated with oversleeping.

Read More: What is Sleep Health and Why is it Important

Headache

How to Stop Oversleeping?

Breaking a habit of oversleeping can be challenging, especially if you’ve been doing it for an extended period. But if you want to prevent it, there’s some good news! You can take specific steps to overcome the habit and achieve better sleep quality.

Monitoring and improving your sleep habits is crucial in this process, as it can prevent oversleeping linked to depression and other sleep disorders.

We’ve shared some practical tips and tricks to help you wake up refreshed and ready to tackle the day ahead, including how to enhance your sleep habits for overall health. So, if you’re ready to say goodbye to oversleeping and improve your sleep habits, take a look at our tips on how to stop oversleeping.

Final Thoughts

If you can avoid oversleeping, it helps keep your sleep cycle on track. If you oversleep for short periods, find ways to manage stress, sleep deprivation, or illness before being too concerned.

If you sleep too much for an extended period, you should contact your doctor to see if underlying issues are causing it or potential sleep disorders. In the end, quality of sleep is just as important as quantity.

Citations

[1] Kim, Y., Wilkens, L. R., Schembre, S. M., Henderson, B. E., Kolonel, L. N., & Goodman, M. T. (2013). Insufficient and excessive amounts of sleep increase the risk of premature death from cardiovascular and other diseases: the Multiethnic Cohort Study. Preventive medicine, 57(4), 377–385. View Study

[2] Léger D, Beck F, Richard JB, Sauvet F, Faraut B. The risks of sleeping "too much". Survey of a National Representative Sample of 24671 adults (INPES health barometer). PLoS One. 2014 Sep 16;9(9):e106950. doi: 10.1371/journal.pone.0106950. PMID: 25226585; PMCID: PMC4165901.

[3] Parker, H. (2008, July 24). Physical Side Effects of Oversleeping. WebMD; WebMD. View Resource

[4] Carney, C. E., Buysse, D. J., Ancoli-Israel, S., Edinger, J. D., Krystal, A. D., Lichstein, K. L., & Morin, C. M. (2012). The consensus sleep diary: standardizing prospective sleep self-monitoring. Sleep, 35(2), 287–302. View Study

[5] Brain Basics: Understanding Sleep | National Institute of Neurological Disorders and Stroke. (n.d.). View Resource

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