Sleep is vital for one’s health and wellness. It plays a crucial role in a variety of bodily functions to ensure the sustenance of one’s physical and biological well-being. So, what happens to the body when the requirement to sleep is not met? You easily get sick When you’re always sleep deprived, your immune system weakens. As a result, it makes you more likely to suffer from medical maladies since your immune system is compromised and is not completely strong to fight infections and other foreign invaders.