Hopefully you enjoyed the extra hour of sleep (in the US which has extended DST). Southwest Airlines reminded me yesterday when I tried to check into a flight for this morning. They had already moved their check in clock back.
TimesUnion has a list of 10 factoids about DST you may not know
1. Let's start with the name: It's daylight saving time, not daylight savings time — even though the latter with the extra "s" is the preferred Google search.