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BRAIN HEALTH FUNCTION
During sleep, your brain's glymphatic system efficiently eliminates waste from the central nervous system, removing toxic byproducts that accumulate throughout the day. This essential process ensures your brain functions optimally upon waking up.
Moreover, research indicates that sleep plays a vital role in memory function. It aids in the transformation of short-term memories into long-term ones and helps in the selective removal or forgetting of unnecessary information that could otherwise overwhelm the nervous system.
EMOTIONAL WELLBEING
Maintaining emotional well-being hinges on achieving healthy sleep. While you sleep, specific brain regions actively regulate emotions and contribute to overall emotional stability, all the while supporting essential brain functions.
Specific brain activity promoting emotional health:
CELLULAR RESTORATION
Each cell in your body is naturally programmed to undergo restoration, and this vital process occurs most effectively during deep and restful sleep.
Sleep enables cells to repair and regrow. Many important processes happen during healthy sleep, including:
ENERGY CONSERVATION
The energy conservation theory sheds light on how our bodies conserve energy during sleep, allowing us to reduce our caloric needs. This is supported by evidence showing that metabolic rates decrease during sleep. Recent research suggests that for adults, getting a full eight hours of sleep can lead to a significant daily energy savings of approximately 35 percent.
Energy conservation promotes:
WEIGHT REGULATION
Sleep plays a crucial role in weight management by influencing hunger hormones. Two key hormones involved are ghrelin, which stimulates appetite, and leptin, which signals fullness after eating. During sleep, ghrelin production decreases as your body's calorie needs reduce while you're at rest.
However, inadequate sleep disrupts this balance. It leads to increased ghrelin production and reduced leptin levels, making you feel hungrier and potentially leading to the consumption of more calories, thereby increasing the risk of weight gain.
Interrupted may be associated with increased risk of:
PROPER INSULIN FUNCTION
Sleep appears to have a positive impact on insulin resistance by promoting cellular health and efficient glucose processing. It reduces the brain's glucose requirements, helping to regulate overall blood sugar levels. Insulin resistance can lead to high blood sugar and Type 2 diabetes, but healthy sleep patterns may help protect against it.
IMMUNITY
Sleep plays a crucial role in supporting the immune system. During sleep, the body produces cytokines, proteins that combat infection and inflammation, along with antibodies and immune cells that help destroy harmful germs. When sick or stressed, the body requires even more of these immune cells and proteins. Maintaining healthy sleep habits can contribute to a robust immune system, aiding the body in its fight against infections.
HEART HEALTH
Researchers found that irregular sleep duration increased the risk of heart disease. Those with the most irregular sleep duration and variable bedtimes had more than double the risk of developing heart disease, compared to those with less variability in sleep duration and more consistent bedtimes.
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