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.
5 , 6 , 7 , 8 , 9 Grapefruit is high in water and fiber. The whole fruit is also a good source of potassium, vitamin C, inositol, bioflavonoids, and pectin; however, the juice alone is not high in pectin. In addition, grapefruit has no fat and is low in calories and sodium.