Adopt low carbohydrate diet may help people stay alert and fight drowsiness that come during the day. A new study shows that people who have narcolepsy who followed low-carb Atkins diet experienced sizable improvements in daytime drowsiness. Narcolepsy is a neurological disorder that affects the control of sleep and waking. This disorder causes excessive drowsiness in the afternoon and people with this disorder usually not able to fight drowsiness, to the unconscious sleep in the daytime, even during working hours. Wow! Although these initial findings indicate that dietary changes help improve the taste sleepy during the day, the researchers said more comprehensive studies are needed to determine whether low carbohydrate diet, weight loss or other factors responsible for this beneficial impact. In a study of the results published in the June edition of the journal Neurology (2004), researchers asked nine obese people with narcolepsy who followed low-carb diet outlined in the book Dr. Atkins' New Diet Revolution for eight weeks. This dietary advice to limit intake of carbohydrates is less than 20 grams per day. One participant out of the study after four weeks because not able to follow the dietary pattern that is quite heavy. Among participants who completed the study for eight weeks, researchers found that the symptoms of narcolepsy was reduced by 18% and the number of daytime sleep attacks reduced by 13%. The participants lost an average weight 15 pounds in this study, and reported no serious impact. Four people have temporary side effects include headaches, leg cramps and difficulty concentrating.