Antioxidant benefits of sleep

ScienceDaily | 7/12/2018 | Staff
adele2234 (Posted by) Level 3
Why do we sleep? During sleep, animals are vulnerable, immobile, and less responsive to their environments; they are unable to forage for food, mate, or run from predators. Despite the cost of sleep behavior, almost all animals sleep, suggesting that sleep fulfills an essential and evolutionarily conserved function from humans to fruit flies.

The researchers reasoned that if sleep is required for a core function of health, animals that sleep significantly less than usual should all share a defect in that core function. For this study, they used a diverse group of short-sleeping Drosophila (fruit fly) mutants. They found that these short-sleeping mutants do indeed share a common defect: they are all sensitive to acute oxidative stress.

Stress - Results - Radicals - Cells - Lead

Oxidative stress results from excess free radicals that can damage cells and lead to organ dysfunction. Toxic free radicals, or reactive oxygen species, build up in cells from normal metabolism and environmental damage. If the function of sleep is to defend against oxidative...
(Excerpt) Read more at: ScienceDaily
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