Sleep Quality & Immunity: Health Tips for Better Rest

Poor sleep does more than leave you tired: it weakens immunity, disrupts weight regulation and raises the risk of diabetes and heart disease. A consistent bedtime routine, plus a cool, dark and quiet room, can make falling and staying asleep easier.

KS
KSA Vision Clinic
24. märts 20161 min lugemist
Sleep Quality & Immunity: Health Tips for Better Rest

You have probably heard that to improve your health you need to eat more vegetables and stay active — but don't forget to catch some z's as well! Sleep allows your body to rest and recover, which is why you may notice that when you don't get enough sleep, you feel tired, hungry, and perhaps even irritable the next day.

But did you know that sleep can help you keep your weight in check and strengthen your immune system, so you are less likely to get sick? In fact, regularly getting too little sleep can increase the risk of chronic conditions such as diabetes and heart disease. Sleep also plays an important role in learning and your memory.

How to overcome difficulty falling asleep

Are you having trouble falling asleep? Here are some simple lifestyle changes you can make to get better rest:

  • Establish a relaxing routine before bed and try to go to sleep at the same time every evening.
  • Avoid eating and drinking too much before bedtime — in particular, avoid that late-day caffeine craving.
  • Tire your body out by limiting naps and adding more physical activity to your day.

Improving sleep quality: cool, dark, and quiet

To improve sleep quality, keep in mind that the bedroom needs to be cool, dark, and quiet:

  • Lower your room temperature a few degrees below average room temperature.
  • Limit screen time before bed. The blue light emitted by tablets, smartphones, and computers signals to the body that it is daytime.
  • Make your bedroom as completely dark as possible — consider blackout curtains or wearing a sleep mask.
  • A quiet sleeping environment is ideal. Consider using earplugs or white noise to block out loud sounds. Playing soft, soothing nature sounds quietly is also fine if it helps you relax.

Wake up on the right side of the bed tomorrow by preparing for a better night's sleep tonight!

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KSA Silmakeskus
KSA Vision Clinic

KSA Vision Clinic is Estonia's leading eye clinic, specialising in Flow3 laser correction, dry eye diagnostics and treatment, and comprehensive eye examinations. Our blog shares expert knowledge about eye health.

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Sleep quality and immunity: practical advice for better sleep Sleep plays a central role in maintaining our overall health. During sleep, the body repairs itself, consolidates memories, and – importantly – supports the functioning of the immune system. When sleep is insufficient or of poor quality, the immune system's ability to respond to threats is reduced, and the risk of various health problems increases. **How much sleep do we need?** Most adults need seven to nine hours of sleep per night. Children and adolescents need more. Individual needs vary, but consistently sleeping less than seven hours is associated with a weakened immune response. **The connection between sleep and the immune system** During sleep, the body produces cytokines – proteins that help fight infection and inflammation. Lack of sleep reduces the production of these proteins, making the body more vulnerable to illness. Research has also shown that people who sleep less than six hours a night are more susceptible to the common cold than those who sleep seven or more hours. **Practical recommendations for improving sleep** - Maintain a consistent sleep schedule, going to bed and waking up at the same time every day, including weekends. - Create a calm and dark sleeping environment. Reduce exposure to blue light from screens at least an hour before bed. - Avoid caffeine and alcohol in the hours before bedtime. - Regular physical activity supports sleep quality, but intense exercise close to bedtime may have the opposite effect. - If falling asleep is a persistent problem, it is worth discussing this with a doctor. Good sleep habits are a straightforward and effective way to support the body's natural defences. | KSA Silmakeskus