Before revision: ( Colloquially, the term morning wood, or less commonly, morning glory ) is also used, although this is more commonly used to refer specifically to an erection beginning during sleep and persisting into the period just after waking.
After revision: Colloquially, the term morning wood, or less commonly, morning glory is also used, although this is more commonly used to refer specifically to an erection beginning during sleep and persisting into the period just after waking.