The phrase "sleep disturbances" means problems or disruptions that happen while a person is trying to sleep. It refers to difficulties falling asleep, staying asleep, or having poor quality sleep. Full definition
TV exposure associated with sleep disturbances in 5 - to 6 - year - old children. (parentingscience.com)
Contrary to popular belief, although alcohol may make you sleepy, it ultimately causes sleep disturbances in the middle of the night. (mindbodygreen.com)
Cognitive behavioral therapy for insomnia, mindfulness, and yoga in patients with breast cancer with sleep disturbance: A literature review. (medicalnewstoday.com)