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Adolescent Sleep Issues: Why Are They So Tired?

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Adolescent Sleep Issues: Why Are They So Tired?
August 23, 2016

Adolescence is a time of significant change in the body as children shift towards adulthood. Many of these biopsychosocial shifts result in changes in sleep habits, which can affect mood, academic performance, and family and social relationships. When asked about sleep, adolescents will often complain to their pediatrician about excessive daytime sleepiness, likely due to insufficient sleep. Many intrinsic and extrinsic factors play a role in their lives, including increasing family, academic, and social demands, in addition to biological changes. Together, sleep issues in adolescents tend to have significant impact on their functioning, as well as their families.

Teenagers need on average 9.25 hours of sleep a night (Figure 2). However, a vast majority of adolescents report that they do not get enough sleep, with a reported average of about 7 hours. This lack of sleep results in a “sleep deficit” of about 2 hours a night, which accumulates over the week leading to a significant shortfall by the weekend. In response, teenagers tend to oversleep on the weekends to “catch up,” but then have difficulty falling asleep on Sunday.

Figure 2: Recommended quantity of sleep in a 24-hour cycle

sleep graph

Source: Hirshkowitz M. (2015). The National Sleep Foundation’s sleep time duration recommendations: methodology and results summary, Sleep Health

The most common disorder related to sleep is insufficient sleep, caused by inadequate sleep hygiene. Sleep issues have been linked to problems with mood and irritability, behavior, cognitive ability, school rhythm disorder; delayed sleep phase type; insomnia; sleep disordered breathing; restless legs syndrome; periodic limb movement disorder; and narcolepsy.

It is important to ask your patients and families about the quantity and quality of sleep. Sleep should be a lifestyle priority for the whole family. The assessment of sleep problems should include a clinical history that covers the routine, sleep schedule, and nocturnal and daytime behaviors. Any medical and psychiatric conditions that could contribute to sleep problems should be noted, as well as medications, developmental concerns, and hospitalizations.

Remind patients that maintaining a consistent, regular sleep schedule is important. They should not deviate more than 2 hours from their weekday to weekend schedule; avoid “sleeping in” on weekends; and aim to get on average between 9 to 9.25 hours of sleep per night. Using a sleep diary can be an effective tool to help capture the pattern of sleep behaviors. If warranted, the use of an actigraphy, polysomnography, and multiple sleep latency test could help rule out other contributing factors to sleep, such as OSA, PLMD, and narcolepsy.

Encourage proper sleep hygiene habits such as removing electronics from the bedtime routine at least 1 hour before bed. Other important components of good sleep habits include: regular bedtimes and wake times, avoidance of caffeine, and avoidance of engaging in exciting behavior before bed.

Common sleep issues include the following:

  • Developmental and biological issues: Changes in circadian factors due to the onset of puberty and hormonal influences drive changes such as the ability to voluntarily delay sleep onset.
  • Early high school start times: Most teenagers have to wake up 1 to 2 hours earlier in order to get to school. This change affects their natural state of alertness.
  • Social and school obligations: Teenagers have more after-school activities, increased homework demands, and work that interfere with the nighttime routine and sleep. In addition, adolescents have amplified needs to communicate via technology devices at night long after the lights “go out.”
  • Erratic sleep schedule and poor sleep hygiene: Teenagers will often stay up late on school nights — and even later on weekends. They will then sleep in to “catch up” on sleep on weekends.
  • Reliance on technology: See Fellow’s Corner.
  • Caffeine consumption: Many adolescents turn to alternative ways to stay awake, such as drinking coffee and energy drinks. Teenagers today are also buying or using stimulant medication, like Adderall or Ritalin, to help with excessive daytime sleepiness. Not only could these products be harmful and addictive, but, in addition to impacting sleep, they might have legal ramifications.

References and suggested readings

Mindell, JA, Owens, J. A Clinical Guide to Pediatric Sleep: Diagnosis and Management of Sleep Problems, 2nd ed. Philadelphia, PA: Lippincott Williams & Wilkins; 2010.

Mindell, JA, Owens, J, Alves, R, et al. Give children and adolescents the gift of a good night’s sleep: a call to action. Sleep Medicine. 2011;12(3):203-204.

National Sleep Foundation. Annual sleep in America poll exploring connections with communications technology use and sleep. Accessed July 5, 2016.

 

Contributed by: Billie S. Schwartz, PhD, and Jocelyn H. Thomas, PhD

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