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.
Clause and phrase are two important terms in English grammar. Clause and phrase are parts of a sentence. A clause is a group of words that consists of a subject and a verb. Examples: He laughed. The guests arrived. A phrase is a group of words that does not consist of a subject and a verb. Examples: on a table, under the tree, near the wall, on the roof, at the door. Both the clause and the phrase may exist within a sentence. For instance, read the following sentence: Example: He is sleeping on the bed.