The bizarre reason some people are fine on just four hours of sleep a night
Scientists identified a rare gene mutation (N783Y in the SIK3 gene) that allows some individuals to function well on only 4-6 hours of Sleep.
This mutation affects a phosphate exchange process crucial to the Sleep -wake cycle, leading to less Sleep and potentially more deep Sleep.
Mice with the same mutation slept 30 minutes less than unaltered mice, confirming the gene's role in Sleep duration.
This discovery could lead to new therapies for Sleep disorders and improve Sleep quality.
The mutation seems to increase deep Sleep in those who have it.
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