
While it is well known that sleep deprivation is detrimental to health, oversleeping can also be problematic. Sleeping longer than the recommended 9 hours per night for adults can indicate underlying health conditions and increase the risk of several health issues, including obesity, diabetes, heart disease, and stroke. It can also cause headaches, back pain, and increased mortality rates. If you're regularly sleeping more than nine hours, it's important to consult a healthcare professional to rule out any potential causes and receive appropriate advice and treatment.
| Characteristics | Values |
|---|---|
| Increased risk of death | Multiple studies have found that people who sleep nine or more hours a night have significantly higher death rates than people sleeping seven to eight hours a night. |
| Obesity | People who sleep too much are more likely to be overweight. |
| Headaches | Oversleeping can cause headaches, especially for those prone to them. |
| Back pain | Doctors used to recommend bed rest for back pain, but sleeping too much can now be seen as a risk factor for chronic disease. |
| Heart disease | Oversleeping has been linked to an increased risk of heart disease. |
| Diabetes | Sleeping too much can increase the risk of diabetes. |
| Stroke | People who sleep more than nine hours a night have an increased risk of stroke. |
| Accidents | People who sleep too much are more likely to be involved in accidents at home or work. |
| Underlying health conditions | Oversleeping may be a symptom of underlying health conditions such as depression, anxiety, thyroid disorders, sleep apnea, or heart disease. |
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What You'll Learn

It can increase your risk of obesity
Oversleeping has been linked to a host of medical problems, including an increased risk of obesity. Sleeping longer than the recommended seven to nine hours per night can disrupt your metabolism and increase your risk of weight gain.
Research has shown that people who sleep for nine or ten hours every night are 21% more likely to become obese over a six-year period than those who sleep between seven and eight hours. This link between sleep and obesity remains even when factors such as food intake and exercise are taken into account.
When individuals frequently sleep for extended periods, their hunger hormones can be disrupted. As a result, they may feel hungrier and consume more food, leading to weight gain over time. This weight gain can further increase the risk of developing obesity-related health conditions such as diabetes and heart disease.
Additionally, oversleeping can be a symptom of underlying health issues. Conditions such as hypothyroidism, heart disease, and other chronic illnesses can lead to longer sleep durations. Mental health issues, including depression, bipolar disorder, and other mental health conditions, can also contribute to changes in sleep patterns, resulting in oversleeping.
If you find yourself consistently sleeping longer than the recommended duration and experiencing negative consequences, it is important to consult a healthcare professional. They can help identify any underlying causes and provide guidance or treatment to improve your sleep habits and overall health.
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It could be a sign of underlying health issues
Oversleeping is linked to a host of medical problems and could be a sign of underlying health issues. If you are consistently oversleeping, it is important to talk to your primary care doctor. Regularly sleeping too long may indicate an underlying health condition.
Sleeping more than seven or eight hours a night and feeling tired the next day could indicate a health problem. If you feel drained of energy after a long night's sleep, this could be a sign of conditions such as sleep apnea and insomnia, which are common among people with chronic diseases. Other potential underlying causes of excessive sleepiness include certain medications and substances, depression, bipolar disorder, and other mental health conditions.
If you suspect your medicine is making you sleep too much, it is important to first talk to your doctor, who may be able to adjust your dosage or prescribe an alternative. If healthcare professionals cannot identify an underlying cause for your oversleeping, they may diagnose you with idiopathic hypersomnia, a sleep disorder characterized by difficulty waking, excessive sleepiness, and the inability to feel rested after sleeping.
In addition, sleeping too much has been linked to an increased risk of obesity, as it can result in alterations in hunger hormones, potentially causing individuals to feel more famished and consume more food. Weight gain can, in turn, increase the risk of diabetes.
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It may increase your risk of stroke
Oversleeping has been linked to a host of medical problems, including an increased risk of stroke. While the causal relationship between sleep and stroke risk remains unclear, studies have found a correlation between excessive sleep and a higher likelihood of experiencing a stroke.
One study, published in the online issue of Neurology, analyzed the sleep habits and stroke risk of nearly 32,000 adults with an average age of 62. The results showed that those who slept nine or more hours each night had a 23% higher risk of stroke than those sleeping less than eight hours. Additionally, the combination of long nighttime sleep and extended midday naps further increased stroke risk. Participants who slept at least nine hours nightly and took midday naps of at least 90 minutes had an 85% higher risk of stroke compared to those who slept less.
Another study, led by Dr. Christine McCarthy of the University of Galway, Ireland, investigated the link between various sleep problems and stroke incidence. The study found that individuals with more sleep problems had a higher risk of stroke, and those with over five sleep issues had five times the risk compared to those without any sleep problems. While the study controlled for factors like depression, alcohol use, and physical activity, further research is needed to establish a causal link.
The potential reasons for the correlation between oversleeping and stroke risk are still being explored. One theory suggests that oversleeping may be a symptom of underlying health conditions, such as heart disease, diabetes, or depression, which are themselves risk factors for stroke. Additionally, sleep disorders like sleep apnea can contribute to reduced oxygen and blood flow to the brain, leading to an increased risk of stroke or cognitive impairment.
It is important to note that the amount of sleep needed varies from person to person and can depend on factors such as age, lifestyle, and general health. If you find yourself consistently oversleeping, it may be a good idea to consult a healthcare professional to rule out any underlying conditions or sleep disorders.
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It can cause headaches
Oversleeping can have adverse effects on your health, and it may indicate an underlying health condition. One such condition is idiopathic hypersomnia, which is characterised by difficulty waking, excessive sleepiness, and the inability to feel rested after sleeping.
For some people, oversleeping can trigger headaches, especially tension-type headaches. Researchers believe this is due to the effect oversleeping has on certain neurotransmitters in the brain, including serotonin. People who sleep for too long during the day and disrupt their nighttime sleep may also find themselves suffering from headaches in the morning.
If you are prone to headaches, sleeping longer than usual on a weekend or vacation can cause head pain. This may be due to the impact that oversleeping has on your brain's neurotransmitters, such as serotonin. Additionally, if you are already suffering from headaches, oversleeping can exacerbate the pain and prolong the duration of the headache.
Furthermore, oversleeping can be a symptom of underlying health issues such as depression, anxiety, thyroid disorders, and sleep apnea. It is important to consult a healthcare professional if you are experiencing regular oversleeping to rule out any potential medical causes. They may recommend a sleep study or lifestyle changes to improve your sleep habits and overall well-being.
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It can increase your risk of heart disease
Oversleeping has been linked to a host of medical problems, including an increased risk of heart disease. While the ideal amount of sleep varies from person to person, most adults should aim for 7 to 9 hours of sleep per night. Sleeping more than 9 hours a night on a regular basis can lead to an increased risk of heart disease, even in people who are otherwise healthy.
One theory suggests that the link between oversleeping and heart disease may be due to the increased risk of obesity. Studies have shown that people who sleep for 9 or 10 hours every night are more likely to become obese over time, even when factors such as food intake and exercise are taken into account. Obesity, in turn, is a risk factor for heart disease.
Additionally, oversleeping is often associated with underlying health conditions, such as sleep apnea, which is common among people with chronic diseases like heart disease. Sleep apnea can interfere with sound sleep, leading to fragmented sleep and a need for extended sleep time to feel rested. This can create a cycle where the underlying condition causes oversleeping, which then further exacerbates the condition.
Furthermore, depression and low socioeconomic status have been strongly linked to oversleeping. These factors may also contribute to the increased risk of heart disease. For instance, people of lower socioeconomic status may have limited access to healthcare, resulting in undiagnosed or untreated heart disease.
If you find yourself consistently oversleeping, it is important to consult a healthcare professional. They can help identify any underlying causes and provide appropriate treatment or referrals to a sleep specialist if needed.
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Frequently asked questions
Sleeping too much has been linked to a host of health problems, including an increased risk of obesity, diabetes, heart disease, stroke, and death. It can also cause headaches and back pain.
Sleeping longer than nine hours a night is generally considered "too much" sleep. However, the ideal amount of sleep varies from person to person, and most experts recommend that adults get seven to nine hours of sleep per night.
There are several potential causes of sleeping too much, including underlying health conditions such as heart disease, diabetes, depression, anxiety, thyroid disorders, and sleep apnea. Certain medications, lifestyle factors such as alcohol consumption, and a lack of a regular sleep schedule can also contribute to oversleeping.
If you're consistently sleeping too much and experiencing negative consequences, it's important to talk to your doctor. They can help determine the underlying cause of your oversleeping and provide advice, treatment, or refer you to a sleep specialist if needed.











































