Claude Puel says it is important his side stay focused to keep their good form going after the international break.
Southampton are six unbeaten heading into a meeting with Burnley, as well as keeping six clean sheets in those games.
The visit of the Clarets kicks off a big week of fixtures for the club and with Inter Milan and Manchester City to come, Puel has been discussing the impact the break has had on his side.
“It’s important to find that great spirit and dynamic we had before the international break again.
“The first game is very important and it’s difficult to keep good concentration.
“For us though, during the international break we had 15 players which is a lot but it is a good thing because it shows we have good players.
He added: “To work (without them) is difficult and some players perhaps have tired legs from their international games.
“Other players are without competition for two weeks so sometimes it can be difficult to prepare.”