prostrate before Him at night and glorify Him during the long hours of night
Dr. Munir Munshey
Prostrate before Him during part of the night. Chant His praises during the long hours of the night
Dr. Kamal Omar
And in a portion of the night: so prostrate for Him and glorify Him long night through — (at the start of the night in Maghrib Prayer, at the darkness of the night in Isha Prayer, and in late or terminal part of the night in supererogatory Tahajjud Prayer)
And during night, prostrate yourself to Him (i.e. the offering of Maghrib and Isha prayers), and glorify Him a long night through (i.e. Tahajjud prayer)