![Salomon Kalou and Hertha Berlin team-mates quizzed over sleeping patterns as Bundesliga club install apps on players' mobiles | The Sun Salomon Kalou and Hertha Berlin team-mates quizzed over sleeping patterns as Bundesliga club install apps on players' mobiles | The Sun](https://www.thesun.co.uk/wp-content/uploads/2018/01/nintchdbpict000379352031.jpg)
Salomon Kalou and Hertha Berlin team-mates quizzed over sleeping patterns as Bundesliga club install apps on players' mobiles | The Sun
![Hertha Berlin's hero Salomon Kalou laps up the positive pressure against Borussia Dortmund | Bundesliga Hertha Berlin's hero Salomon Kalou laps up the positive pressure against Borussia Dortmund | Bundesliga](https://s.bundesliga.com/assets/img/1170000/1164351_imgw968.jpg)
Hertha Berlin's hero Salomon Kalou laps up the positive pressure against Borussia Dortmund | Bundesliga
![Salomon Kalou and Hertha Berlin team-mates quizzed over sleeping patterns as Bundesliga club install apps on players' mobiles | The Sun Salomon Kalou and Hertha Berlin team-mates quizzed over sleeping patterns as Bundesliga club install apps on players' mobiles | The Sun](https://www.thesun.co.uk/wp-content/uploads/2018/01/nintchdbpict000379347433.jpg)
Salomon Kalou and Hertha Berlin team-mates quizzed over sleeping patterns as Bundesliga club install apps on players' mobiles | The Sun
![So ein Ei": Davie Selke und Hertha BSC hadern mit Pizarro-Tor - Berlin spielt gut, bringt die 1:0-Führung aber nicht über die Zeit - kicker So ein Ei": Davie Selke und Hertha BSC hadern mit Pizarro-Tor - Berlin spielt gut, bringt die 1:0-Führung aber nicht über die Zeit - kicker](https://derivates.kicker.de/image/fetch/w_800,h_600,c_fill,g_auto,q_auto:best/http://mediadb.kicker.de/news/1000/1020/1100/3000/artikel03/1042564/imago38857482h-1550353136_zoom34_crop_800x600_800x600+367+57.jpg)