The most common types of sleep disorders are insomnia, sleep apnea, narcolepsy and sleepwalking" is an example of a

The most common types of sleep disorders are insomnia, sleep apnea, narcolepsy and sleepwalking" is an example of a central idea. The term central idea is a one-sentence statement that sums up or encapsulates the major ideas of a speech. It describes the main thought or principal theme and it  is the main point that the author is making.

Ifound this on google “the change in control meant as house minority leader, pelosi was widely expected to become speaker of the house in the next congress. on november 16, 2006, the democratic caucus unanimously chose pelosi as the democratic candidate for speaker.” i hope this