Medical professional's are encouraging their patients to get a flu shot this year. If you are planning on getting one there is one small thing that can help make it even more effective. Make sure to get a good night's sleep. Getting a flu shot can reduce symptoms from the flu but according to sleep specialist Matthew Walker, the bestselling author of “Why We Sleep,” making sure that you have “good sleep hygiene” is also an important factor in fighting off a flu. Good sleep can also improve the production of your body's normal antibody response.