Liánghǎo de shuìmián yǒuzhù yú tígāo gōngzuò xiàolǜ.
Good sleep helps improve work efficiency.
Tips
grammar
有助 is typically followed by 于 + noun/verb phrase: 有助于消化 (aids digestion). Without 于 it can precede a verb directly in informal speech: 有助减压 (helps reduce stress).