The Tottenham head coach broached two subjects that have been issues for the club so far this season.
In contrast to their domestic league form, which has seen four defeats at home and just two victories, Spurs have won two and drawn one of their Europa League matches so far this season
“Maybe the team feels more freedom than the Premier League,” Pochettino reasoned.
“It is a different competition. Maybe, maybe it is true. Maybe we are more confident in the Europa League, our feeling is more free, to play and show our skill.
“We need to try and show the same on Sunday against Everton. I think it is important to play well tomorrow at White Hart Lane.
“It is true that in the Premier League we have problems in in our games at home – our results are negative, we have lost four at home.
England defender Kyle Walker is one player who won't be involved in the Europa League tie, after Pochettino revealed during his press conference that the 24-year-old is still "a few weeks away" from returning.
"Kyle Walker will not be involved," said the Argentine.
"Not at the moment, maybe in the next few weeks. Maybe then he has the possibility to be involved."
Such news means either fellow Sheffield fullback Kyle Naughton will continue to deputise, or one of the two centre backs that can play on the right, Eric Dier or Vlad Chirches, will take in more minutes on the pitch, with all three included in Spurs' squad for the game against the Serbian champions.