Drink water, water, water and more water. Start now, especially if you have been drinking too much caffeine. Get some sleep. Now more than ever, you need a good night's sleep. If you're well rested, you'll be mentally alert and have more energy for the day ahead.
Sleep deprivation can lead to fatigue, headaches, confusion and weight gain.
Yes, weight gain. Recent studies indicate going without enough sleep can lead to an increased appetite, which leads to added fat. Make low-fat tuna salad or chicken salad and keep it in a clear bowl in your refrigerator. You're more likely to grab healthy food you can see. Cut up vegetable and have them at the front of your refrigerator so when you open the door you see them first.