Sleep deprivation: what happens to our body and why proper rest is essential

Sleep is a biological necessity as vital as eating or breathing. Yet in modern society, sleep is often sacrificed in favor of hectic schedules, work commitments, and time spent on digital devices. But what happens to our body if we sleep less than we should? And what are the physical and psychological effects of insufficient rest?

Chronic fatigue and mental fog: the first warning signs

One of the immediate consequences of sleep deprivation is a persistent sense of fatigue throughout the day. This often comes with bothersome mental fog, difficulty concentrating, and slower reflexes.
Sleeping less than 6 hours per night—especially over long periods—can seriously impair our ability to process information, make decisions, and maintain focus. It also increases the risk of accidents, particularly while driving.

Physical effects of sleep deprivation

Our body needs sleep to regenerate. When rest is insufficient or of poor quality, a series of negative physical reactions occur over time:

• Weakened immune system: greater vulnerability to colds, infections, and inflammation.
• Weight gain: sleep deprivation disrupts hormones that regulate hunger and satiety, encouraging fat accumulation and cravings for sugary or high-calorie foods.
• Cardiovascular problems: poor sleep is linked to higher risks of hypertension, stroke, and heart disease.
• Premature aging: skin regenerates during sleep, so a lack of rest accelerates the appearance of wrinkles and signs of fatigue.

Psychological consequences: from stress to depression

On a mental level, sleep deprivation is closely tied to conditions such as stress, anxiety, and depression. Inadequate rest amplifies negative emotions, reduces psychological resilience, and can create a vicious cycle: stress leads to poor sleep, and poor sleep increases stress.
Numerous studies show that people who suffer from insomnia or chronically sleep less than needed are more prone to developing depressive disorders. A sleep-deprived brain struggles to regulate mood and handle daily stress.

The importance of the mattress: a key ally for better sleep

An often-overlooked element in sleep quality is the mattress. Sleeping on an unsuitable surface can impair rest, cause discomfort such as sweating or muscle tension, and lead to more frequent nighttime awakenings.
Choosing a high-quality double mattress, such as one made of memory foam, can make a big difference. These materials conform to the body’s curves, improve nighttime posture, and reduce pressure points. Choosing the best mattress for your needs is a direct investment in both physical and mental health.

How to improve sleep: healthy habits and natural supplements

For those struggling to sleep well, several strategies can help:

• Create a relaxing bedtime routine that avoids electronic devices
• Keep consistent sleep and wake times, even on weekends
• Sleep in a dark, quiet room at a comfortable temperature
• Consider natural sleep supplements—like melatonin, valerian, or magnesium—always under medical supervision

Sleeping less than needed isn’t just a bad habit—it’s a real health risk. The consequences affect every level: physical, psychological, and emotional. To combat fatigue, mental fog, stress, and even depression, it's essential to give sleep the value it deserves.

And it all starts with the basics: choosing the right mattress, creating a sleep-friendly environment, and respecting the body's natural rhythms. Because good sleep isn’t a luxury—it’s a necessity.