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Here's what happens to your body when you sleep less than 6 hours

2025-03-31 09:24:59 / JETË ALFA PRESS

Here's what happens to your body when you sleep less than 6 hours

Sleep is not a luxury, it is an absolute necessity for your body to function properly! When you sleep less than 6 hours a night, your body and mind begin to be directly affected. You may feel like you are coping, but lack of sleep has effects that are not immediately apparent.

And we're not talking about a one-time occurrence or even a few days in a row if something happens. We're talking about a systematic sleep routine of less than 6 hours a day. Let's see what's happening to your body in this case.

The brain is not functioning properly.

Insufficient sleep affects memory, concentration, and decision-making. You may feel like you have difficulty concentrating, forget easily, and have reduced reflexes. In the long term, chronic sleep deprivation is linked to an increased risk of neurodegenerative diseases like Alzheimer's.

When you don't get enough sleep, your body produces more ghrelin (the hunger hormone) and less leptin (the satiety hormone). This means you're hungrier and more likely to crave unhealthy foods, resulting in weight gain.

Your immune system weakens

During sleep, the body produces cells and proteins that help fight infections. If you don't get enough sleep, you're more vulnerable to viruses and colds.

Your heart is under pressure.

Lack of sleep increases blood pressure and cortisol levels (the stress hormone), which in the long run can lead to heart disease. Studies show that those who sleep less than 6 hours a night have a higher risk of developing hypertension and heart attack.

Your skin "suffers"

Sleep is essential for skin cell renewal. When you don't get enough rest, wrinkles, dryness, and dark circles under your eyes increase. Collagen production also decreases, making your skin less elastic.

Lack of sleep increases anxiety, irritability, and the likelihood of depression. The brain has difficulty regulating emotions, which can lead to irritability and bad moods.

How many hours of sleep do you really need?

Experts recommend 7-9 hours of sleep each night for adults. If you're getting less than 6 hours, try prioritizing sleep by reducing screen exposure before bed, keeping a consistent schedule, and avoiding caffeine in the evening.

 

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