If you're looking to make a late night out of the unseasonably warm winter evening, you might want to get a head start since last call might come an hour earlier than expected tonight. Daylight-savings time officially leaps forward by an hour at 2 a.m. Sunday morning. WPIX was at the Tourneay TimeMachine in Midtown set 8,000 clocks and watches at the new time this afternoon. And while most of us just grumble over the loss of an hour of sleep, the consequences of the change can actually be much more serious. MSNBC reports that number of heart attacks ride 5% in the two weeks following the spring ahead (and decrease 5% when we fall behind). At the very least, you can take a step to keeping yourself safer by taking the FDNY's advice and changing the batteries on your smoke alarms and carbon monoxide detectors.