As people get older,they spend less and less time in stage 3 and stage 4 sleep,which means they get relatively little ________ sleep.

Name: As people get older,they spend less and less time in stage 3 and stage 4 sleep,which means they get relatively little ________ sleep.
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The Answer of As people get older,they spend less and less time in stage 3 and stage 4 sleep,which means they get relatively little ________ sleep.

As People Get Older,they Spend Less and Less Time in Stage