There are seventeen civil townships in Logan County. 1  Of these, none are urban townships, and no municipalities have been formed from former townships: 2  Bloomfield Township. 3  Bokes Creek Township. 4  Harrison Township. 5  Jefferson Township. 6  Lake Township.
Insufficient sleep is often cited as a trigger for acute migraine attacks. Excessive sleep is a frequently reported trigger as well. Jet lag and changes in your work schedule can also be linked to the onset of migraine. Insomnia is the most common sleep disorder associated with chronic migraine.
Migraine Triggers and Causes Overview. Migraine triggers are factors that contribute to migraine attacks. Migraine causes are the underlying reasons in the body, especially in the brain, that may chemically lead to migraines. Different migraine sufferers have different migraine triggers, which are also called precipitating factors. The same triggers may not spark a migraine each time.