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Day 19 news response


Today I read that there is actually a mutation in some peoples genes that causes sleep disorders. For some people, they absolutely cannot sleep until very late hours. This is a form of insomnia, but not the typical case. For these people, their brains do not produce melatonin for hours after the typical person. When scientists studies a woman for 18 days, her sleep habits were very late and restless. What they found, was a mutation in a gene called cry1, which her family members with sleep problems also reported.

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