Box 1.

Key points of a sleep history

  • Habitual bedtime and rise time

  • Sleep duration

  • Sleepiness

  • Difficulties falling asleep (sleep-onset latency)

  • Number of night wakings

  • Number of daytime naps

  • Subjective opinion

  • Fatigue

  • Other sleep problems

  • Beliefs

  • Drug use

  • Caffeine/stimulant use

  • School day versus weekend (sleep irregularities)

  • School achievement

  • Competing demands

  • Bedroom environment

  • Smart phone/computer use

  • Injuries

  • Driving