Bad Things That Happen to Your Health When You Sleep too Much

Sleep is important for your health!

Proper sleep helps you stay focused and alert during the day, and your body recharges at night to help recover from the day’s work. Also, proper sleep helps fight obesity, diabetes, heart disease and premature death, to name a few.

But this does not mean that you should spend hours upon hours sleeping. Quality sleep is crucial for your health, but even sleep in excess can be bad for you.

The National Sleep Foundation provides the following guidelines on how much sleep a person really needs on a daily basis at various ages.

number of hours you should sleep chart

Now, before you start calculating your total sleep time, you must know the reason behind your oversleeping. Excessive sleepiness can be a sign of several different medical issues, which include chronic fatigue, thyroid problems, heart disease, sleep apnea, depression, narcolepsy and certain medications.

It is important to enjoy sound and quality sleep, but getting too much sleep can lead to health risks.

ill health effects of too much sleep

Here are some of the bad things that can happen when you sleep too much.

1. May Develop Heart Problems

If you sleep a lot, your heart suffers. In fact, you are putting yourself at a higher risk of heart disease, which is one of the leading causes of death in the United States.

A 2003 study published in the Archives of Internal Medicine showed that both short and long self-reported sleep durations are independently associated with a modestly increased risk of coronary events.

oversleeping can cause heart problems

A 2013 study published in the American Journal of Cardiology reports that long sleeping time increases the risk of development of an increased left ventricular mass. As the left ventricle of the heart becomes thicker, it increases the risk of heart failure.

A recent 2015 study published in Neurology found that while short sleep was associated with an 18 percent increased stroke risk, long sleep was associated with a 46 percent increase in stroke risk after adjusting for conventional cardiovascular disease risk factors.

2. Leads to Obesity

There is a connection between excess sleep and obesity. If you are sleeping for long hours, you are physically inactive for that period. Less physical activity means your body is burning less calories, which in turn can cause weight gain.

excess can cause obesity

A 2008 study published in Sleep provides evidence that both short and long sleeping times predict an increased risk of future body weight and fat gain in adults. The study stressed the need to add sleep duration to the panel of determinants that contribute to weight gain and obesity.

A 2010 study published in Social Science & Medicine reports that more than 8 hours of sleep in a day is positively associated with the risk of obesity, diabetes, hypertension and cardiovascular disease.

In a 2014 study published in PLOS ONE, researchers found that sleeping too much was associated with psychiatric diseases and higher body mass index (BMI), but not with other chronic medical diseases.

3. Increases Your Risk of Diabetes

Too much sleep can affect your body’s ability to process sugars, and impaired glucose tolerance means insulin resistance, a well-known risk factor for Type 2 diabetes.

oversleeping increases your risk of diabetes

Moreover, too much sleep means you are less physically active, which is important to reduce the risk of diabetes. Again, being more sedentary and obese are common risk factors for diabetes.

A 2009 study published in Sleep Medicine found that people who sleep too much or not enough are at greater risk of developing Type 2 diabetes or impaired glucose tolerance. The risk is 2½ times higher for people who sleep less than 7 hours or more than 8 hours a night.

A 2013 study published in Diabetes Care reports that people who get more or less than between 6.5 and 7.4 hours of sleep per night are at increased risk for high blood glucose levels.

4. Makes You Depressed

While sleep disturbance is a common symptom of depression, it has been found that sleeping too much can affect your mood and even cause depression.

sleeping too much causes depression

Sleep impacts neurotransmitters in the brain. Also, long sleep duration leads to reduced physical activity. More physical activity is important for increasing levels of the neurotransmitters dopamine and serotonin, which can improve your mood.

Physical activity also helps distract you from stressful stimuli and improves your self-esteem.

A 2014 study published in the Journal of Clinical Psychiatry reports that both short and long sleep duration – but not insomnia – are important predictors of chronic symptoms of depression and anxiety, independent of symptom severity. More research is needed to determine whether treating these sleep conditions results in more favorable outcomes.

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