Cutting back on your sleep to get more study time affects your ability to think clearly.
In order to have an imaginable, creative mind, we need sleep. If you are cutting back on your sleep, you could develop health issues in the future such as memory problems, depression, hallucinations, weight gain, high blood pressure...just all these crazy things that people don't think about when they lack sleep.
C.
the recommended number of calories minus the actual calories consumed from the food groups on the food plate