Same here. At 5:00 am. Two rings and no one. Got a similar one earlier, but did not check the number.
What is their scam? Several weeks ago got a call around midnight and the woman with a broken English was talking about "computer center." I hung up.
One call came at 1:48 am then the second one at 6:53 am. Shows up as Back St Fitness. The call this morning had a robot asking to "press 1" if you no longer wanted to receive calls from the. (Whoever back st fitness is.). Couldn't believe the times that they called!