If you are going back to school and to a pile of performance load, you need to be doubly cautious that you do not deprive yourself of the required sleep that your body asks for.
Memory and Sleep
Researchers are very clear about the fact that enough sleep is required to reproduce whatever has been grasped by our grey cells. The best period to consolidate your memory would be the time immediately after your classes. Just a power nap can do wonders to our memory and factual information is retained for a much longer period, if you have adequate sleep.
Sleep and Mattresses
Good mattresses are extremely crucial for good sleep. If you go to the mattress store, you will get an assortment of mattresses to choose from. You need to choose the ones that suit your personality and meet all the requirements of a good mattress. You may take a few days to adjust to new mattresses, but once you are used to it, you can comfortably have a good night's sleep.
Sleep and Health
Sleep is also important to maintain good health and keep yourself fit. It improves your resistance to outside infections and boosts your immunity by notches. When you sleep, all the cells get rejuvenated and come back to their full working capacity, thereby giving you more energy and enthusiasm to work and study.
All in all, sleeping for 8 to 9 hours a day is the wise thing to do, if you are a student who is aiming for good performance that is long lasting. Students, particularly should not deprive themselves of their sleep in their quest for achievements, lest they burn themselves out before they can even blossom to their best.