Yes, astigmatism surely makes your night vision worse. Astigmatism is a very common eye problem which affects many people all over the world. It is caused by distorted cornea, which causes different focal lengths. Because this slight different curvature of cornea or lens, the light passes through different focal length, so the vision is distorted. In day time, our pupil contracts, so pupil working as camera aperture provides more space for light to passing, which makes the blurry vision less noticeable. But in night, dilated pupil has less depth of space which makes vision problem more apparent. So while driving in night, I feel very bad, because of all these glare and halos of light. Usually I think it is better not to drive in night for people who have astigmatism. And you can do something to correct your vision. Have eyes examined by ophthalmologist and get a new pair of glasses or contact lenses, which can help solve your problem. As to glasses, you can require to add anti-reflective coating to your new glasses. This kind of coating could effectively prevent or reduce glare and halos of light. See your oculist at least once in a year, so that he/she could prescribe proper glasses according to your eyes, because the degree of astigmatism can change and improper glasses make your astigmatism just worse. Proper glasses are importance device for people with astigmatism, so remember to visit your oculist regularly on time.