Related Experiment Videos

Effects of Light Intervention on Insomnia Severity, Fatigue, and Emotional Distress in Patients With Gynecologic

Ling-Ya Hsu1, Yu-Ying Lu, Kuei-Fen Liu

  • 1Author Affiliations: Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan, Taiwan (Hsu and Chou); Department of Nursing, National Taipei University of Nursing and Health Sciences, Taiwan (Lu and Liu); and College of Medicine, National Tsing Hua University, Hsinchu, Taiwan (Chou).

Cancer Nursing
|June 10, 2026
PubMed
Abstract

Keywords:
Emotional distressFatigueGynecologic cancerInsomnia severityLight intervention

Related Concept Videos

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...
Insomnia01:27

Insomnia

Insomnia is a prevalent sleep disorder characterized by difficulty falling asleep, frequent awakenings during the night, and waking up too early without being able to return to sleep. People with insomnia often experience these disruptions at least three nights a week for at least one month. Chronic insomnia, which lasts for at least three months, can lead to increased anxiety, which in turn can worsen sleep difficulties, creating a cycle of sleeplessness and stress.
Multiple factors contribute...