Just 6% of leaders have reigned for five weeks or more. Luke Combs Robby Klein Trending on Billboard Luke Combs earns a fifth week at No. 1 on Billboard ’s Country Airplay chart with “Sleepless in a Hotel Room.” The song leads the list dated May 16 with 34.5 million impressions, up 4%, May 1-7, according to Luminate. The command ties Combs’ third-longest, matching 2023’s “Fast Car,” 2021’s “Better Together” and 2019’s “Even Though I’m Leaving.” Only his “Beautiful Crazy” (seven weeks, 2019) and “Forever After All” (six, 2021) have spent more time on top. With six No. 1s that have led for at least five weeks, Combs matches Kenny Chesney and Toby Keith for the second-most leaders. Tim McGraw leads with seven; Morgan Wallen is in fifth place with four. Dating to Country Airplay’s 1990 inception, just 6% of No. 1s have led for five weeks or more. The longer runs thin out quickly, as only 3% have ruled for six weeks or longer, with 1% reaching seven or more.…