Consequences of undernapping: how bad sleep affects the human organism

1. Constant undersleep leads to memory deterioration

Permanent undernaps have an effect on the function of the hippocampus – the part of the brain that is responsible for transitioning short-term memory in long-term. So by denying yourself a full dream, you may well forget what you ate for breakfast or what movie you watched last night.

2. Lack of sleep reduces a person’s ability to concentrate

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You feel, that you don’t do your job as efficiently as usual? The reason for this could be bad sleep. The fact is, during sleep, our brain regains all its functions. When this process is prevented from proceeding properly, it has a negative impact on the ability of a person to concentrate on particular tasks.

3. Sleep deficiency reduces sexual attraction 

Because lack of sleep is perceived by the body as a negative factor, there is an increase in the production of the stress hormone cortisol and a decrease in production sex hormones. So if you’re concerned about reducing sexual drive, focus on getting a full night’s rest.

4. Not sleeping leads to increased appetite

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As lack of sleep destroys the balance between levels of hormones leptin and ghrelin responsible for feeling satiety and hunger, even one sleepless night can lead to a noticeable increase in appetite.

5. Not sleeping increases a person’s sensitivity to pain

Studies conducted by scientists at the University of California, Berkeley, have shown that undernapping increases a person’s sensitivity to pain and helps reduce the pain threshold. In addition, lack of sleep leads to reduced production of dopamine, which is known as the “pleasure hormone”. The study authors note that sleep deficits are becoming a true twenty-first century epidemic that afflicts more people around the world.

6. Lack of sleep makes a person irritable

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Full Sleep – one of the most important components of human emotional health. It helps keep in check the hormones that affect our mood. Lack of sleep causes hormonal imbalance, which causes irritation and abrupt mood change.

7. Insufficient sleep causes difficulty with coordination

People suffering from undersleep can feel awkward in movements, clumsiness, unswerving. This is because lack of sleep causes difficulties in eye and hand coordination, which in turn increases the risk of physical injury.

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