Impact of COVID-19 on serum melatonin levels and sleep parameters in children

Özlem Yayıcı Köken1, Pembe Gültutan1, Merve Sibel Güngören2

  • 1Department of Pediatric Neurology, Children’s’ Hospital, Ankara City Hospital, Ankara, Turkey

Insights

Coronavirus disease 2019 (COVID-19) did not significantly alter children's sleep patterns. However, serum melatonin levels were higher in non-COVID-19 patients, suggesting a potential protective role for melatonin against severe COVID-19 in pediatric populations.

Area of Science:

  • Pediatric Medicine
  • Infectious Diseases
  • Sleep Science

Background:

  • Pediatric coronavirus disease 2019 (COVID-19) can affect various physiological parameters.
  • Sleep disturbances are a common concern in children, especially during and after viral infections.

Purpose of the Study:

  • To investigate serum melatonin levels in pediatric patients diagnosed with COVID-19.
  • To analyze changes in sleep patterns among children with COVID-19 compared to a control group.
  • To explore the potential impact of COVID-19 on pediatric sleep quality and melatonin regulation.

Main Methods:

  • A descriptive, cross-sectional study design was employed.
  • Serum melatonin levels and sleep parameters were compared between children with mild to moderate COVID-19 and a control group with non-COVID-19 respiratory infections.
  • The Sleep Disturbance Scale for Children (SDSC) questionnaire assessed sleep patterns at present and six months prior to symptom onset.

Main Results:

  • The study included 106 pediatric patients (80 in the COVID-19 group, 26 in the control group).
  • No significant differences in serum melatonin levels were observed between the COVID-19 and control groups (p = 0.16).
  • Sleep parameters, assessed via the SDSC questionnaire, showed no significant differences between groups at present or six months before symptom onset (p = 0.99).

Conclusions:

  • COVID-19 infection did not appear to significantly impact the sleep parameters of pediatric patients.
  • While serum melatonin levels were elevated above the reference range in all children, they were higher in the control group.
  • Elevated melatonin levels in COVID-19 patients suggest a potential protective role against disease severity in children.
Abstract

Related Concept Videos

Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
522
Nightmares and Night Terrors01:18

Nightmares and Night Terrors

Nightmares and night terrors represent two distinct types of sleep disturbances that differ in timing, characteristics, and the sleeper's recall of the event. Nightmares are vivid, disturbing dreams that usually awaken the sleeper from REM sleep, a stage of sleep where brain activity is high, and dreams are most frequent. Upon awakening, individuals often have detailed recollections of their nightmares, which can include themes of threats to survival, security, or self-esteem.
Nightmares...
236
Management of Insomnia01:19

Management of Insomnia

The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
371
Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...
264
Sedatives and Hypnotics Drugs: Miscellaneous Agents01:17

Sedatives and Hypnotics Drugs: Miscellaneous Agents

Sedatives and hypnotics encompass a wide range of substances, each with its unique mechanism of action, uses, and potential adverse effects.
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
317
Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response01:15

Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response

Circadian rhythms are cyclic changes that are crucial in plasma drug concentrations. Various standard circadian parameters, including core body temperature, heart rate, and other cardiovascular factors, directly impact disease states and the therapeutic response to drug therapy.
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
186