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                                                 From : BBC World News                                              By :  Jasmin Fox-Skelly                                           Edited by : Amal Udawatta BBC/ Serenity Strull/ Getty Images How general anaesthetics work is still not fully understood, but they are revealing clues about the nature of consciousness. In 1797, the British naval commander Admiral Horatio Nelson had his right arm amputated. The operation saved his life. But according to legend the only anaesthetic he was offered was a swig of rum .  For the majority of human history, even the removal of limbs was done on patie...

 From :-  BBC  World News  By ;-   Amanda Ruggeri Edited by :- Amal Udawatta        Getty Images The sleeping and waking cycles of babies can be a cause of constant stress for parents (Credit: Getty Images) From the idea that most infants sleep 12 hours to the suggestion that daytime naps can improve nighttime slumbers, we expose the biggest misconceptions that are troubling parents. Few aspects of child development are as rife with misinformation as infant sleep – a space that's largely been taken over by companies and books aimed at selling sleep programmes, coaching and advice. From the idea that babies should "sleep through" by six months of age to the belief that motion naps aren't restorative, here are five common myths about infant sleep – and what the scientific research actually says. 1. No, most babies don't 'sleep through the night' While an infant or toddler "sleeping through" might be the holy grail for parents, it is relati...