Don't just only eat vegetables but eat balanced (ex: toast with egg whites and spinach for breakfast, for lunch, lean chicken with rice and a side of salad, and for dinner soy glazed salmon with cucumber and avocado salad.)
Why would you ask a question and not give us the options
Answer: Because you won't preform at your best level during work or school. this is because each age group, babies all the way to elderly people have certain amount of needed time for sleeping. when you don't get full hours your body hasn't had the time to rest and recollect energy.
Explanation: