In the state of Rapid Eye Movement sleep (REM). REM is the deepest part of sleep in a persons sleep cycle.
The constitution was signed in September.
More specifically, it was signed on 17th September 1787, during the Philadelphia Convention, which started on May 25th of the same year.
March twenty was the first day of spring 2016
There are 10 years in a decade.
Deca- means ten.