1. An adult needs around 7.5-9 hours of sleep every day. Children need more than that. There are many negative effect of sleep deprivation, as listed below:
  2. Obesity – When you don’t get enough sleep your body has a difficult time processing the protein called leptin, which will make you hungry through the day.
  3. Stress – It will make you stressful and the stress will be much more painful than on a normal day, when you sleep enough.
  4. Weaker memory – Your memory will be weaker and slower when you don’t get at least 7 hours of sleep.
  5. Vulnerable to diseases – The immune system is not as powerful as it should be normally.
  6. No energy – Without enough energy you will feel yourself weaker and less sociable, also harder to do any sports.
  7. Harder to concentrate – If your job requires lot of concentration, then sleep deprivation can cause you hard time doing your work. For the same reason students should sleep enough as well.
  8. Accidents – Big portion of car accidents are caused because of sleep deprivation.
  9. Blood pressure – Lack of sleep in long terms can develop high blood pressure, which can lead to heart diseases.
  10. Diabetes – Increasing the risk of diabetes according to a study done in 2012. The results showed, that the body is not using insulin as effectively as it should, when it doesn’t get enough sleep.