The quartet got every week off after Brazil and England had been knocked out of the World Cup within the quarter-finals however they had been again at Cobham on Sunday morning.
Silva, Mount, Sterling and Gallagher can be accessible for choice when Chelsea return to Premier League motion towards Bournemouth on December 27.
Brazil captain Silva suffered World Cup disappointment because the Selecao crashed out on penalties to Croatia. Mount and Sterling had been late substitutes as England misplaced to France.
Chelsea face a crunch interval when the home season resumes.
The Blues misplaced 4 of their final 5 matches earlier than the World Cup and are in peril of lacking out on Champions League qualification.
Mateo Kovacic and Hakim Ziyech, who performed within the World Cup third/fourth-placed play-off in Qatar on Saturday, are due again at Cobham late subsequent week.
Graham Potter hopes to have Reece James and Wesley Fofana again this month following lengthy spells out.
It’s unclear when Ben Chilwell, N’Golo Kante or Kepa Arrizabalaga can be match to return.
