English edit

Etymology edit

pre- +‎ bedtime

Adjective edit

prebedtime (not comparable)

  1. Before bedtime.
    • 2015 June 1, Gunther Eysenbach et al., “A Platform to Build Mobile Health Apps: The Personal Health Intervention Toolkit (PHIT)”, in JMIR mHealth and uHealth[1], volume 3, →DOI:
      The app includes daily diaries for prebedtime activities, substance use, and sleep quality.