LOS ANGELES (Agencies)

Simon Cowell is ‘’too excited to sleep’’ about One Direction’s success in the US. The British boy band are currently on tour in America and the success and screaming girls which have followed them has left their mentor suffering sleepless nights. The group’s Louis Tomlinson said: ‘’He’s really, really excited about the reaction we’ve had out here and has said he’s not sleeping ­properly because he keeps thinking about us and how it’s going.