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Bad lifestyle and lack of sleep can become the cause of serious diseases, know why complete sleep is important? –
Samira Vishwas | February 5, 2026 1:24 AM CST

Tezzbuzz Desk- Due to today’s busy life, spoiled lifestyle and increasing screen time, people’s sleep has been affected the most. Lack of sleep is no longer limited to just fatigue, but it is becoming a major cause of many serious problems to heart, brain and immune system.

According to experts, sleep is a basic human need. Due to its deficiency, the risk of stress, high blood pressure, heart disease and mental problems increases manifold. At the same time, complete and deep sleep helps in repairing the body and reactivating the brain.

Complete and proper sleep is the key to a healthy life

Sleep is as important for the body as right diet and exercise. Experts say that getting good sleep strengthens the body’s immunity. During sleep, the body produces protective cytokines, antibodies, and T-cells, which help protect against infection and inflammation. After complete sleep, the body repairs itself and internal swelling also reduces. This is the reason why doctors ask questions to the patient’s sleep during the treatment of any disease.

Lack of sleep increases the risk of insomnia

According to experts, nowadays the problem of sleeplessness is increasing rapidly among people, which is called insomnia. This problem badly affects both mental and physical health.

Reasons for insomnia-

  • Difficulty concentrating on work
  • irritability and mental stress
  • Constant fatigue and body ache
  • memory loss

Which diseases are there to fear due to lack of sleep?

Prolonged lack of sleep can lead to many dangerous diseases-

  • Diabetes
  • high blood pressure
  • obesity
  • heart disease
  • Mental depression and anxiety

People suffering from these diseases have to depend on medicines for a long time and in many cases the problem is not completely cured.

How much sleep is necessary at what age? Know the opinion of experts

To stay healthy, it is very important to get sleep according to age. According to experts-

  • 0 to 3 years: 14–17 hours of sleep
  • 4 to 12 years: 9–12 hours of sleep
  • 13 to 18 years: 8–10 hours of sleep
  • 18 to 64 years: 7–9 hours of sleep
  • Above 65 years: 7–8 hours of sleep

Follow these easy tips for good sleep

If you do not fall asleep quickly, these habits can prove helpful-

  • Stop using mobile and screens at least 2 hours before sleeping
  • turn off bright lights in the room
  • Do not eat heavy and fried food at night
  • Make a habit of sleeping and waking up at a fixed time every day
  • Play light music or meditation before sleeping

Complete and good sleep not only keeps you fit, but also protects you from many serious diseases. Therefore, to stay healthy, never ignore sleep.


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