Lack Of Sleep Side Effects and Symptoms

Insomnia and other sleep disorders are the main symptoms of lack of sleep experienced by many people. This is also caused due to poor lifestyle that every person leads. The minimum sleep time required is about 7 to 8 hours or at least 5 to 6 hours for an adult. Most of them try to ignore the symptoms of lack of sleep which can lead to several health complications like diseases and illness further in life. Changing the sleeping habits of a person can help in treating this condition.

Common Symptoms of Lack of Sleep


The very first symptom of lack of sleep is depression which can in turn lead to severe health complications. People suffering insomnia are at high risk of suffering from chronic depression.

Trouble in Speaking

Due to prolonged lack of sleep, the brain of a human may not get the required sleep or rest eventually affecting the speech to some extent. This can result in mispronounced speech. This condition can also cause blackouts which is going blank for either short or longer periods of time.

Appetite Changes

People suffering from this condition usually face changes in their appetite like eating constantly even if he/she is not hungry. Most of them may either lose or gain weight due to lack of sleep. Know more about Lack of Sleep and Weight Gain

Weight Loss or Gain

Sleep deprivation can lead to interruption in the production of hormones that help in regulating appetite, metabolism and glucose. This condition can cause the person to gain sudden weight or to lose weight. Know more about the Lack of Sleep Side Effects.


This is another symptom of lack of sleep and people suffering from lack of sleep may see things or hear voices. They may even see flashes of bright light in their eyes. Understand how Lack of Sleep Affects the Brain


Exhaustion, weariness and lethargy are different forms of fatigue and are caused due to lack of sleep. A person suffering from this condition may feel tired for no reason and he/she may feel very tired to even move. This can result in poor performance in school, work and home.

Memory Loss

The brain of a human recharges during sleep and this process involves retrieval, acquisition and maintenance of all the memories. Lack of sleep can lead to memory problems in an individual and it can sometimes lead to the condition of amnesia.


A person suffering from this condition may experience twitching, shaking or tremors which are caused due to continuous muscular activity without any proper rest time. It may also cause cramping in most of them.


People suffering from lack of sleep may act cranky all the time and may get irritated over every small issue. Get more information about other Lack of Sleep Side Effects

Dizziness and Lack of Concentration

Lack of sleep can lead to dizziness and even nausea sometimes in many people. Lack of concentration is one of the major symptoms of this condition.These symptoms can be annoying and disturbing for many people and these can sometimes lead to severe health complications like diabetes, high blood pressure, poor immune systems and heart problems. A healthy lifestyle can help in treating this condition.