How is stage 3 and 4 Sleep deprivation linked with growth?

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 How is stage 3 and 4 Sleep deprivation linked with growth?



Brain is less active and body's metabolism is lower during NREM. This could provide an opportunity for brain cells to be repaired and its waste products to be replaced. Growth hormone is also released. It has been suggested that both REM and NREM are involved in growth and restoration.

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