Definitions for "Bedtime"
The time to go to bed.
the time you go to bed
defined as the time when one attempts to fall asleep (as distinguished from the time one gets into bed).
Bedtime is a popular parenting tradition that involves, to a greater or lesser extent, rituals made to help children feel more secure http://www.practicalparent.org.uk/WINNING%20THE%20BEDTIME%20BATTLE.htm Dr. Scoresby, Practicalparent.org - "Winning the bedtime battle", and become accustomed to a comparatively more rigid schedule of sleep than they would sometimes prefer. It may involve stories, songs, nursery rhymes, and/or methods of coaxing the children into changing into their pajamas.