内容摘要：The Associated Press’ climate and environmental coverage receives financial support from multiple private foundations. AP is solely responsible for all content. Find AP’s

The Associated Press’ climate and environmental coverage receives financial support from multiple private foundations. AP is solely responsible for all content. Find AP’s

And two Panthers players — Sam Reinhart and Gustav Forsling — have played almost every one of those games. Both have made 303 appearances for Florida in these three years; they have a chance to pass Pittsburgh’s Phil Kessel for the most by any NHL player ever in a three-year span.Kessel played in all 307 of Pittsburgh’s games from 2015-16 through 2017-18.

“That is crazy,” Forsling said. “I didn’t know that stat. That is crazy, for sure. It’s a lot of preparation and a lot of recovery and you have to do the right things. Otherwise, you’re going to be struggling out there — because that’s a lot of hockey. And mentally, you’ve got to take days off and not think about hockey as much. I have a son now; that takes my mind off things.”Edmonton is going to fly up the most-games list as this series goes on as well.Game 1 against Florida will be the Oilers’ 300th in the last three years; if the series goes seven games, Edmonton’s 306 games would be the seventh most in a three-year span behind the Panthers, those Dallas and Detroit teams with 309, along with Pittsburgh (2015-16 through 2017-18), Colorado (1999-2000 through 2001-02) and Detroit (1995-96 through 1997-98) with 307 each.

“This last stretch of the last couple of years has been some of the most fun I’ve had playing hockey,” Oilers star Connor McDavid said after the Western Conference final. “I look forward to what’s going to be an exciting month.”The Oilers and Panthers have superstars atop the lineups, but both teams know they got here with depth. Both have had 19 different goal scorers in the playoffs.

“That’s what’s been winning us hockey games,” Oilers forward Leon Draisaitl said. “And you need that this time of year. We knew we were going to need everybody. ... Our depth has been incredible.”

The Panthers set the tone for deep runs with grueling training camps, though that’s just one small part of the story. Strength and conditioning is an everyday thing during the season as well, along with constant advising from nutritionists, a sports science department and others tasked with drawing out the best path to peak performance. The Panthers will be up to about 67,000 air miles logged this season — far more than most NHL teams — after the first two games of the Cup final; they tend to stay in cities after games instead of flying home late at night in order to keep some semblance of a normal sleep schedule.Morning light resets the rhythm. By evening, levels of a hormone called melatonin begin to surge, triggering drowsiness. Too much light in the evening — that extra hour from daylight saving time — delays that surge and the cycle gets out of sync.

Sleep deprivation is linked to heart disease, cognitive decline, obesity and numerous other problems. And that circadian clock affects more than sleep, also influencing things like heart rate, blood pressure, stress hormones and metabolism.Fatal car crashes temporarily jump the first few days after the spring time change, according to a study of U.S. traffic fatalities. The risk was highest in the morning, and researchers attributed it to sleep deprivation.

Then there’s the cardiac connection. The American Heart Association points to studies that suggest an uptick in heart attacks on the Monday after daylight saving time begins, and in strokes for two days afterward.Doctors already know that heart attacks, especially severe ones, are a bit more common on Mondays generally — and in the morning, when blood is more clot-prone.