Valmiki Ramayana Sundara Kanda Sarga 18 Shloka 15

निद्रामदपरीताक्ष्यः with eyes dizzy with sleep and intoxication, रावणस्य Ravana's, उत्तमाः prime, स्त्रियः wives, विद्युल्लताः like streaks of lightning, घनमिव like the the cloud, वीरम् heroic, पतिम् husband, अनुजग्मुः followed.

The chief wives of Ravana with eyes dizzy with sleep and drinking followed their heroic husband like streaks of lightning follow a thunder cloud. (Ravana who was dark looked like a cloud and the women with dazzling golden complexion appeared like lightning.)