Significance of Poor sleep quality
Poor sleep quality is characterized by disturbances that lead to suboptimal sleep, as measured by the Pittsburgh Sleep Quality Index. It has adverse effects on health, strongly linked to elevated stress levels and increased cortisol due to the activation of the hypothalamus-pituitary-adrenal axis. Essentially, poor sleep quality is defined as disrupted or insufficient sleep that fails to deliver necessary restorative benefits, impacting overall health and cognitive function.
Synonyms: Insomnia, Sleep disturbance, Restless sleep, Sleep deprivation, Sleep issues, Inadequate sleep
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The concept of Poor sleep quality in scientific sources
Poor sleep quality is characterized by ineffective, disrupted, or insufficient rest, which hinders the body's ability to restore itself and negatively impacts overall health and cognitive functioning, as reported by regional sources.
From: The Malaysian Journal of Medical Sciences
(1) This refers to the condition of having insufficient or disrupted sleep, and it has been linked to a higher rate of bone resorption, with potential underlying mechanisms related to endocrine dysfunction and inflammation.[1] (2) This refers to the condition of having sleep that is of low quality, which can be associated with the assessment of frailty in aged care homes.[2] (3) Poor sleep quality has a deteriorating effect on health and was significantly associated with stress levels, stimulating the hypothalamus-pituitary-adrenal axis and leading to increased cortisol levels.[3] (4) A condition where sleepers experience disturbances that result in suboptimal sleep, as indicated by a higher global score on the Pittsburgh Sleep Quality Index.[4]