Prevalence[edit] Waking up in the middle of the night, or nocturnal awakening, is the most frequently reported insomnia symptom, with approximately 35% of Americans over 18 reporting waking up three or more times per week.
Definitions. A clause is a group of words containing a subject and verb. An independent clause is a simple sentence. It can stand on its own. Examples: She is hungry. I am feeling well today. A dependent clause cannot stand on its own. It needs an independent clause to complete a sentence. Dependent clauses often begin with such words as although, since, if, when, and because.
adjunct (a construction that can be used to extend the meaning of a word or phrase but is not one of the main constituents of a sentence). clause ((grammar) an expression including a subject and predicate but not constituting a complete sentence).