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The terms that dominate the category are recognisable: restorative sleep and deep restorative sleep, sleep quality, sleep efficiency, sleep regulation and sleep architecture, deep sleep, slow-wave sleep and delta wave sleep, REM sleep, sleep-wake cycles, circadian rhythm and circadian rhythm regulation
The preservative issue is not mentioned
Research examines their individual and potential synergistic effects on wound healing phases, vascular development, cellular migration, and inflammatory modulation
B12 deficiency is a widespread condition
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