A good night's sleep is essential for a long and healthy life, as scientific research increasingly shows. Sleep is not a waste of time, but a biological process that helps the body recover and rejuvenate. It is just as important as healthy eating and regular exercise for reducing the risk of heart problems, diabetes and other chronic conditions.
Researchers point out that both too little and too much sleep can be disastrous. The optimal amount of sleep is between seven and eight hours a night. People who consistently sleep less than six hours or more than nine hours run an increased risk of health problems and a shorter life expectancy.
In addition, sleep quality is also of great importance. During deep sleep, harmful waste products are cleared from the brain, which helps to prevent cognitive decline and diseases such as Alzheimer's. Irregular sleep patterns disrupt the body's natural circadian rhythm, which can have a negative impact on general health.
Sleeping well not only contributes to a longer life, but also to a better quality of life. People with a healthy sleep routine usually remain fit, sharp and free from serious illnesses for longer. In addition, sleep may help to slow down the ageing process at a cellular level.
A conscious focus on adequate and regular sleep is therefore a simple, cost-free step that everyone can take to live healthily for longer.
Source: Buck Institute
