English Singer Robbie Williams poses for a photograph in Sydney, Australia, 21 November 2016. EPA/DAVID MOIR AUSTRALIA AND NEW ZEALAND OUT
Robbie Williams has blamed his yo-yo-ing weight on a rare condition that sees him carry out night raids on his fridge – while he is asleep. 
The former Take That star, 43, has revealed he suffers from Nocturnal Sleep-related Eating Disorder – which sees him ‘not eating kale, but sugar' in his sleep. 
Battling the little-known disorder for more than 12 months has left him on a permanent daytime diet in an effort to counteract his night-time culinary proclivities. 
Speaking on his video blog he said: ‘I'm doing this very weird thing, and it's been for over a year now, where I night-eat. I am absolutely asleep and I get up, and I go and eat. I don't do it on purpose, I'm not aware I'm doing it, but it happens. And apparently in my sleep I don't want kale; I want sugar and loads of it. 
‘It's been super weird, as you can imagine, and leaves me not a lot of room for [eating] bad stuff during the day...' 
NS-Red affects around 2 per cent of the population, and although not as common as sleepwalking, it often sees sufferers walk into the kitchen, prepare food, and then eat it without any recollection the following morning. 
The bizarre condition can see sufferers experience significant weight gain in addition to an increased risk of Type 2 diabetes. When previously quizzed by a fan on Twitter about his sleep-eating habits, Williams replied: ‘To answer what I ate – Macaroni and cheese (cold) and cookies dipped in peanut butter ..Lots of…'.
Treatment can include a night in a sleep lab but sleeping pills can increase confusion. 

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