Niall Horan irked by fan taking his picture while he was asleep

Niall Horan has slammed a fan for taking a picture of him while he was asleep on a plane.

Niall Horan

The One Direction singer was flying from London to Chicago to see his friend Ellie Goulding perform at the Lollapalooza music festival, when he met the fan, who snapped a picture of him sleeping after he declined a selfie.

The fan went ahead and shared the picture on social media.

Niall, 22, was furious when he found out about the picture and shared the post on Twitter with the words,"I think this s''t is unreal. I mean if you can't sleep on a plane without people taking photos of you,what can u do (sic)."