You must have an ideal eight hours of sleep or a minimum of seven hours for adults.
“If you were not to set an alarm clock, would you sleep past it? If the answer is yes, then there is clearly more sleep that is needed.” - Matt Walker
Sleep deprivation can make you cranky, moody, and short-tempered.
When your body receives the sleep it needs, your immune cells become more active and fight off infections making vaccines more effective.