"sleeping quality" is correct and usable in written English.
You can use it when referring to the quality of a person’s sleep. For example, "Poor sleeping quality can lead to fatigue during daytime hours."
Besides, sleep problems and chronic pains may have a bilateral impact on each other, for example, the length, difficulty and quality of sleep may have an impact on different chronic pains, at the same time chronic pain (such as back pain) can influence sleeping by interfering process of getting asleep and the sleeping quality.
No group difference was observed in sleep architecture suggesting similar sleeping quality in hypotensives and normotensives.
In this direction, in [21] the authors attempt to explain sleeping disorders reported by individuals, by investigating the correlations between sociability, mood and sleeping quality, based on data captured by mobile phones sensors and surveys.
The prevalence of eating breakfast regularly in medical students having good self-perception about sleeping quality was significantly higher than students with bad self-perception about sleeping quality (75.8% vs. 57.9%).
Additionally, lifestyle behaviours, including diet, smoking, alcohol intake, sleeping quality and physical activity, were surveyed by a general health questionnaire.
Breakfast consumption was associated with many factors, most importantly monthly expenses, sleeping quality and the learning process.
Primary endpoints were arm pain, decreased mobility, difficulty in sleeping, quality-of-life decrease, and pain in the port area.
Primary endpoints of this study showed that arm pain, decreased mobility, difficulty in sleeping, quality-of-life reduction, and pain in immediate port area did not differ significantly between the control and the ACP group.
Sleep quality is also suffering.
Sleep quality improved in both groups.
Even sleep quality has emerged as an important factor.
