Waking Up. 1  1. Do not press the snooze button. Wake up as soon as your alarm goes off. 2  2. Seek light immediately. Human brains are wired to respond to light as a cue to awaken from sleep. 3  3. Have a moderate amount of coffee. Caffeine is a powerful stimulant.
Grapefruit is an excellent source of vitamin C, a vitamin that helps to support the immune system. Vitamin C-rich foods like grapefruit may help reduce cold symptoms or severity of cold symptoms; over 20 scientific studies have suggested that vitamin C is a cold-fighter.
Carbohydrates are necessary to maintain life. But they're not the only nutrient that needs to be accounted for. Grapefruit is a good source of several other vitamins and minerals, including vitamin C -- nearly 80 percent of your recommended daily allowance of vitamin C is found in a single serving of grapefruit. Grapefruit is also a good source of vitamin A, vitamin B-5, potassium and folate, while only containing 36 calories.