English Sleep disorder Cited by user BDD user on 17 Jan 2023 A sleep disorder, or somnipathy, is a medical disorder of an individual's sleep patterns.
English Insomnia Cited by user Chris Capoccia on 27 Oct 2022 Insomnia, also known as sleeplessness, is a sleep disorder in which people have trouble sleeping.
English Music and sleep Cited by user BDD user on 21 Oct 2022 Sleep problems are found to be correlated with poor well-being and low quality of life.