Health problems caused by Lack of Sleep

A good night’s sleep makes your mood pleasant but also prevents the formation of ugly dark circles around the eyes, but sleeping for a reasonable period of time will improve the health of everything including your heart, weight and mind. 

But today’s busyness has brought the average duration of sleep to 6 hours (medical experts recommend 7 to 8 hours of sleep).

Almost everyone knows the importance of a good night’s sleep, but you may have no idea what can happen to you if you don’t.

Complaints of irritability and emotionality are common as a result of sleepless nights. This was revealed in a medical study which said that negative emotions are the result of sleep deprivation and it also affects office performance.


Scientists aren’t sure why sleep deprivation causes headaches, but it does happen. Sleepless nights result in migraine headaches, while 36 to 58% of snorers suffer from morning headaches.


Lack of sleep can lead to poor hormonal balance, which can lead to cravings, especially for high-calorie foods. The ability to control one’s desires is lost and the two are a very dangerous combination as it results in obesity while feeling tired all the time.

Visual impairment

Lack of sleep can also be manifested in the form of visual impairment, blurred vision and double vision instead of one. The more time you spend waking up, the more likely you are to have visual impairment and the more likely you are to experience hallucinations.

Heart disease

One study found that people were not allowed to sleep for 88 hours, which led to high blood pressure, which was not surprising, but when they were allowed to sleep for only 4 hours each night, their heart rate increased. As the body began to store proteins that increase the risk of heart disease.

Slow response

When sleep is not complete, the reaction to any event slows down. During one study, people were given tasks to make quick decisions, some of which were allowed to sleep during the test, while others were not. Those who got a chance to sleep performed better in the test while others performed worse and the response was very slow.


Do you know how to strengthen the body’s immune system, especially when there is no skin infection on an open wound? That is sleep. If you suffer from sleep deprivation, even a lack of sleep can have a negative effect on the body’s natural defenses against germs.

Impaired attention span

Having difficulty concentrating while reading or listening? Struggling to do something that requires more focus? Focusing tasks are most affected by sleep deprivation. According to a research, if you want to be mentally alert and alert, you should get enough sleep, otherwise the mind becomes drowsy and it becomes very difficult to do anything.

Decreased effect of vaccination

Vaccines usually produce antibodies in the body that can protect against a specific virus, but when you do not get enough sleep, the body’s immune system weakens and these antibodies do not work effectively.

Difficulty speaking

Severe sleep deprivation can cause you to stutter or have difficulty speaking, just as if someone were intoxicated. During one study, volunteers were kept awake for 36 hours, after which they started repeating words and stuttering while talking to someone. It was not even possible to express.

Chronic flu

One of the possible causes of insomnia is insufficient sleep if you are constantly on the lookout for flu and flu attacks everywhere you go. According to a study, people who get less than 7 hours of sleep are three times more likely to get the disease.

Stomach diseases

Inflammatory diseases of the stomach get worse as a result of lack of sleep. Seven to eight hours of sleep significantly protects against stomach ailments, but lack of it increases the risk.


During sleep, our body eliminates metabolic disorders, but more time spent waking up increases the risk of insulin sensitivity, which can lead to type 2 diabetes. One study found that an increase in sleep duration could potentially reduce the risk of diabetes, while another study identified a link between a normal sleep pattern and a risk of diabetes.


Medical experts have studied the link between sleep and cancer, and found that interfering with the body’s clock system weakens the body’s immune system, and that certain types of cancer, particularly breast and colon cancer, The risk of cancer increases.

Memory problems

Lack of sleep in middle age leads to changes in brain structure which have a negative effect on long term memory, while lack of sleep can also lead to memory impairment in adolescents. According to a study, people who sleep more have better memory.


According to a study, lack of adequate sleep reduces the risk of infertility, especially if women are accustomed to less than 7 hours, which has a negative effect on their ability to conceive. Research has shown that sleep affects the body’s hormonal system, and too little sleep affects the female hormonal system, which increases the risk of infertility. Another study found that men who sleep less may have a higher risk of miscarriage, especially with less than six hours of sleep.

Feeling hungry all the time

If the brain does not get the energy it needs from sleep, it will use food as a means to get it. Fat and sweet foods are common all the time, lack of sleep also affects the appetite controlling hormone leptin and people eat too much unnecessarily and do not feel full.

Loss of control over intent

When the body and mind are exhausted, people take deliberate steps, that is, it becomes difficult for people to deny something harmful, while they also start spending money on unnecessary purchases, usually in situations where People are saying or doing, they themselves do not understand it.

Premature aging

Sleep is very important for facial beauty and it is common to have dark circles around the eyes and face without sleep, but one study also found that too much sleep deprivation can cause your skin to age faster. This is due to the release of excessive amounts of the stress hormone cortisol in the body and its excess does not allow the collagen, the protein that keeps the skin smooth and smooth.

Feeling lonely

One study found that sleep deprivation makes it harder for young people to socialize with people and makes them feel isolated from the world. Things get worse when lonely people don’t try to get enough sleep.

Alzheimer’s disease

Numerous medical research reports have found that sleep helps cleanse the brain of beta-amloid proteins that accumulate in the brain when you wake up more. These proteins are thought to cause Alzheimer’s disease. The more you sleep, the harder it is to clean. The worse the sleep schedule, the greater the risk of Alzheimer’s disease.

The risk of depression increases

One study found that poor sleep not only makes people more irritable, but also increases their risk of depression. Similarly, lack of sleep increases the likelihood of escalating fights between husband and wife, which in turn can ruin their relationship. According to researchers, insomnia sufferers are twice as likely to develop depression.

Weak muscles

Lack of sleep changes the hormonal system and makes it more difficult for the body to build muscle and eliminate weakness, which is why it becomes more difficult to treat after damage to the muscles. The study found that during sleep, the body releases growth hormone, which promotes growth and repair damage, and that is why fitness experts advise people who are interested in building a body to get proper sleep.



4th Professional Medical Student. Karachi Medical and Dental College.

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