August 30 is Frankenstein Day. The unofficial holiday celebrates the life and times of English author Mary Shelley who wrote one of the wordâs most read monster novel, Frankenstein, or The Modern Prometheus. Born on August 30, 1797, Shelley published Frankenstein in 1818 anonymously at the young age of 22.
There are three main causes for primary headaches: 1  Migraine-Migraine headaches can be caused by reduced blood flow to various areas of the cerebral cortex. 2  Symptoms of migraines include sensitivity to light and noise, nausea, vomiting and intense throbbing pain that is usually on one side of the head.
Different types of headaches may occur during the night. Headaches are common. Severe, chronic headaches affect 45 million Americans. Headaches result in more than 8 million doctor visits per year, according to The National Institute of Neurological Disorders and Stroke. Some of these headaches occur at night, and have very specific characteristics and causes.