rare condition where laughing sends her to sleep says she nearly drowned when she giggled in a swimming pool.Bella Kilmartin, 24, has chronic sleep disorder narcolepsy and cataplexy which is a sudden muscular weakness that is triggered by strong emotions.For Bella it's laughing and she can often be spotted taking a nap in nightclubs when out partying with friends or even catching some sleep on her breaks at work, BirminghamLive reports.The pharmacy dispenser avoids pools after she nearly drowned whilst on holiday in Tenerife with a friend in 2016.Bella, of Great Barr, Birmingham, said: "Something funny happened – I don't even know what – and I ended up starting to laugh."All of my muscles went weak and my head started drooping under the.
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