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.
If you are not taking any drugs that can interact with grapefruit, it is fine to eat and drink grapefruit and grapefruit products, which can be a healthy part of the diet, says Despina Hyde, RD. She is a registered dietitian at New York University Langone Medical Center.