How much sleep does my child REALLY need?

As a first time mom with Connor, I was sorely mistaken.  I had no idea that a baby’s bedtime was 6:30-7pm.  I found that out 2 years later.  I went with what the Dr. said- he had colic.  Looking back at our experience, I call it self induced colic since we chose to keep him up and let him miss his sleep window.   I had no idea.  He slept like a champ at daycare because he was SO sleep deprived at home in the evenings.   Connor didn’t get the right amount of sleep nor the quality sleep he really needed as a baby.   When I first found out how many hours of sleep a child really needs, I realized how much I didn’t know as a parent.