Costa, is trialling a new service from April that lets customers nod off and have a power nap when they hit an afternoon slump.
Chelsea striker Diego Costa was involved in an off the ball incident with Gylfi Sigurdsson.
A round up of news stories this morning about Chelsea.
Chelsea striker Diego Costa is the man fans are backing to be the Premier League's top scorer this season. Manchester United and Liverpool stars also feature.
Spanish newspaper Marca has suggested Diego Costa could have had his Chelsea medical several weeks ago.
The Daily Mail has suggested a reason Chelsea have delayed announcing a deal for Diego Costa.
Liverpool, Chelsea and Manchester United transfer targets all make the team of the weekend.
Fernando Torres and Roberto Soldado are now effectively behind former Liverpool target Diego Costa in the national team set-up.
The Spanish Football Federation have made an approach to FIFA about calling up Brazilian born Diego Costa for their national team.