Blog

The Importance of Healthy Sleep for Your Well-Being

November 23, 2018

Dr. Marc Bony, DC

The Importance of Healthy Sleep for Your Well-Being

Healthy sleep is essential for physical, mental, and emotional well-being. At the Marc Bony Chiropractic Center in Mataró, we understand the importance of adequate rest and its close connection to natural health, daily performance, and quality of life.

The science of sleep

Studies conducted by Dr. Eve Van Cauter, director of the Center for Sleep, Metabolism, and Health at the University of Chicago (U.S.), indicate that sleeping less than six hours a day can significantly impair reaction time, cause cognitive problems, and even hinder rational decision-making.

Sleep is not simply rest. During sleep, biological processes take place that are essential for physical recovery, memory consolidation, hormonal balance, and the proper functioning of the immune system.

Effects of insufficient sleep

According to research, sleeping less than six hours each night may increase the risk of various health problems, including:

Premature aging of the heart.
Insulin resistance.
High blood pressure.
Increased risk of severe dementia or Alzheimer's disease.
Psychosis and mental health disorders.
Lack of concentration.
Decline in productivity.
Accumulation of toxins in the blood.
Immune system dysfunction.

The ideal amount of sleep for an adult is usually between 6 and 9 hours per night, although individual needs may vary slightly from person to person.

What Happens When We Sleep

The documentary Science of Sleep A National Geographic article (2015) presented research conducted during the 1980s that showed that total sleep deprivation for 17 consecutive days resulted in the death of laboratory mice.

This finding shows that sleep is a biological need just as important as eating or staying hydrated.

Studies on Sleep Deprivation

Sleepiness has consequences that go far beyond everyday fatigue.

In 2013, in the United States, drowsy drivers caused approximately 72,000 traffic accidents, resulting in the deaths of 800 people and leaving more than 44,000 injured. These figures even exceeded those related to accidents caused by drivers distracted by texting or under the influence of alcohol.

In addition, various surveys reveal a troubling reality:

63 % of people do not get enough sleep to maintain optimal health.
The 69 % experiences frequent sleep-related problems.
On the 22nd, % experiences daytime sleepiness that negatively affects his quality of life and work performance.

The reason most frequently cited by respondents was that they simply ignored the signs of fatigue in order to complete pending tasks or responsibilities.

The Stages of Healthy Sleep

Sleep consists of several stages, each with specific functions that are essential for health.

Stages 1 and 2: Light sleep (non-REM)

During these early stages, the body's biological processes begin to slow down. However, the brain remains active, initiating processes related to memory and learning.

At this stage, the brain begins to decide which memories and experiences will be retained and which will be discarded.

Stages 3 and 4: Deep sleep (non-REM)

These stages correspond to deep, restorative sleep.

During this period, important physiological processes of brain cleansing and detoxification take place. Cerebrospinal fluid helps eliminate metabolic waste that has accumulated during the day, contributing to the maintenance of brain health.

Stage 5: REM Sleep

The REM (Rapid Eye Movement) phase is when most dreams occur.

During this stage, brain activity is very similar to that which occurs when we are awake. However, the body remains temporarily paralyzed to prevent us from physically acting out our dreams.

Some people occasionally experience a phenomenon known as sleep paralysis, an experience that can be unsettling due to the temporary inability to move one's body upon waking.

As explained in the documentary Science of Sleep, the best way to deal with this phenomenon is to understand what is happening. Knowing that it is a temporary and harmless episode allows you to handle it calmly, since it usually goes away within a few minutes.

The Economic Impact of Sleep Deprivation

Sleep deprivation affects not only individual health but also the economy.

It is estimated that accidents and lost productivity related to sleep deprivation result in an annual cost of approximately $411,000 million in the United States and Europe, a figure equivalent to about 2.28 % of their Gross Domestic Product (GDP).

In addition, it is estimated that approximately 1.2 million workdays are lost each year due to problems related to insufficient sleep.

The Influence of Genetics, Jet Lag, and Stress Hormones

Sleep quality can also be affected by genetic and environmental factors.

One of the best-known examples is jet lag, also known as time zone change syndrome or desynchronosis. This disorder occurs when traveling across different time zones disrupts the body's internal biological clock.

Among its most common symptoms are:

Daytime sleepiness.
Fatigue and lethargy.
Nighttime insomnia.
Irritability.
Confusion.
Difficulty concentrating.

On the other hand, researchers have discovered that some people have an inherited disorder called familial advanced sleep phase syndrome. In these cases, the internal biological clock runs approximately three hours faster than usual, significantly disrupting natural sleep-wake cycles.

The Importance of Getting Enough Rest

Getting a good night's sleep is not a luxury, but a fundamental biological need. Quality sleep contributes to the proper functioning of the brain, the immune system, the cardiovascular system, and metabolism.

Maintaining healthy habits, managing stress effectively, and taking care of your overall health are key factors in enjoying restful sleep and a better quality of life.