Valmiki Ramayana Yuddha Kanda Sarga 60 Shloka 38
Original Shlokaयदाभृशंतैर्निनदैर्महात्मानकुम्बकर्णोबुबुधेप्रसुप्तः । ततोमुसुण्ठीर्मुसलानिसर्वेरक्षोगणास्तेजगृहुर्गदाश्च ।।6.60.38।।
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प्रसुप्तः sleeping, महात्मा great soul, कुम्भकर्णः Kumbhakarna, भृशम् angry, तैः they, निनदैः roared, यदा that way, नबुबुधे not awakened, ततः then सर्वे all, रक्षोगणाः Rakshasas, तम् him, मुसुण्ठीः mallets, मुसलानि bars, गदाश्च and maces, जगृहुः hit.
Kumbhakarna sleeping like that, could not be awakened. Angry Rakshasas roared and hit him with mallets and maces.