THE POWER OF A GOOD NIGHT SLEEP : How sleep impact your physical and mental well being.

 

Sleep is a fundamental aspect of our well being that is often overlooked in today's fast-paced world. It plays a crucial role in maintaining our physical and mental health. A good night's sleep is vital for your body to repair and rejuvenate itself. During sleep, our brain processes information, consolidates memories, and regulates hormones, contributing to cognitive function and emotional stability. Lack of sufficient sleep can lead to fatigue, impaired concentration, and reduced productivity. Moreover, it increases the risk of developing various health problems such as obesity, diabetes, and heart disease. Therefore, prioritizing quality sleep is essential to lead a healthy and fulfilling life.

In this series of Sleep, Healthy you will be discussing the importance of a good night sleep.

 

Sleep Is Restorative

When you sleep, you allow your body to repair and rebuild. During this time, the body is able to clear debris from the lymphatic system, which boosts the immune system.

While you sleep, there are many important processes that happen, including:

· Muscle repair

· Protein synthesis

· Tissue growth

· Hormone release

Sleep Reduces Stress

Sleep is a powerful stress-reliever. It improves concentration, regulates mood, and sharpens judgment and decision-making. A lack of sleep not only reduces mental clarity but our ability to cope with stressful situations. This is due, in part, to the impact of chronically high levels of cortisol.

Poor quality sleep or a lack of sleep altogether raises our cortisol levels. High cortisol levels are important in the short term, stimulating alertness and vigilance, raising heart rate and blood pressure, but over time it can cause systemic inflammation and disrupt our hormonal balance.

Typically, your cortisol levels fall in the evening hours, as one element of the body’s natural preparation for sleep. When we put off sleep, cortisol levels remain high and interfere with the release of melatonin, a hormone that is essential for the regulation of sleep-wake cycles.

Sleep Improves Your Memory

The link between sleep and memory processing is well established. Sleep serves as an opportunity for the mind to process all the stimuli that we have taken in while we are awake; and triggers changes in the brain that strengthen neural connections helping us to form memories. These memories can be accessed later on through a process called recall, that’s why teachers emphasize the importance of a good night’s sleep before taking a test.

Sleep Helps You Maintain a Healthy Body Weight

When you are sleep deprived your body alters the hormones that regulate hunger and appetite. These hormones include:

· Leptin: This hormone suppresses appetite and encourages the body to expend energy.

· Ghrelin: This hormone triggers feelings of hunger.

Both of these hormones are thrown off when you are short on sleep—leptin goes down and ghrelin goes up.

To make matters worse, a recent study found that sleep deprivation can activate the endocannabinoid (eCB) system in our brain—the same areas activated by marijuana—that increase hunger and appetite. Stimulating the eCB reward system makes you more likely to crave junk food.

Sleep May Prevent Illnesses

Sleep deprivation can have very detrimental health impacts and has been linked to chronic diseases such as diabetes and heart disease and can even lead to obesity.

When you sleep, your body produces proteins called cytokines that have immune-boosting effects and serve as fuel for your white blood cells. Lack of sleep decreases the production of cytokines and makes you more susceptible to bacteria and viruses.

Lack of sleep makes you more prone to illness because your immune system isn’t performing at its peak. A study found that people who averaged less than 7 hours of sleep were nearly three times more likely to develop a cold than their colleagues who were well-rested.

Sleep Is Important for Your Mental Health

Sleep problems are very common in those with mental illness. In fact, disrupted sleep is commonly seen as both a symptom and consequence of mental health disorders, although sleep deprivation is rarely treated as the cause of mental health conditions.

The most common sleep problem associated with poor mental health is insomnia, which is sustained difficulty falling or staying asleep. Insomnia has been found to worsen most mental health disorders, especially paranoia and hallucinations. 

How to Improve Your Sleep

 Given the importance of sleep to our health, there is no time better than now to make some lifestyle changes that will get you the 7 or more hours you need. Small changes to your night time routine can result in a huge health benefit. These include the following:

· Establish a realistic bedtime and stick to it every night, even on the weekends.

· Maintain comfortable temperature settings and low light levels in your bedroom.

· Consider a “screen ban” on televisions, computers and tablets, cell phones, and other electronic devices in your bedroom.

· Abstain from caffeine, alcohol, and large meals in the hours leading up to bedtime.

· Refrain from using tobacco at any time of day or night.

· Exercise during the day; this can help you wind down in the evening and prepare for sleep.

 

A Word From Healthy You

 The importance of sleep cannot be overstated. It is a vital component of our overall health and well being. From enhancing cognitive function and emotional stability to supporting physical rejuvenation and immune system function, quality sleep is the foundation upon which we build a healthy and fulfilling life. By prioritizing and nurturing our sleep habits, we can experience greater productivity, improved mental health, and a heightened sense of overall well being. So let's make sleep a priority and embrace its transformative power.

 

 

Abigail Jeremiah