An aspect of underestimated sleep linked to more than 170 diseases from a large study

For years, experts have insisted on the decisive role of sleep in health and daily balance. However, a scientific study recent sheds new light: it highlights a particular factor in quality sleep which would prove to be much more decisive than we thought so far. This discreet danger would concern the very quality of night restwhose negligence would influence not only on fatigue or morale but also on the risk of a multitude of pathologies, sometimes heavy.

This scientific work, relayed this August 1, 2025, draws attention to impressive figures: in total, no less 172 different diseases could see their probability of occurrence increase if the sleep quality is not assured. Of the Parkinson’s disease to the forms of diabetes Going through certain cardiovascular disorders, the impact would go unnoticed so far with many sleeprs. What are the issues behind these results? Return to the main lessons learned and practical advice to avoid this silent risk.

The link between sleep quality and increased risk of diseases

Long relegated behind the quantity of rest, the notion of sleep quality today occupies the front of the stage. Several scientific work recents agree: sleeping enough is not enough to protect against various chronic diseasescontrary to what many imagined. The Chinese study published recently details that it is not only the time spent in the arms of Morpheus that counts, but rather the way in which this sleep is structured, deep and continuous.

According to this analysis, fragmented nights, with frequent awakenings or prolonged interruptions, as well as a Little restful sleepwould result in very concrete consequences on the general health in the long term. The difficulties in falling asleep, the feeling of persistent fatigue Upon waking or the presence of Nocturnal respiratory disorders would be among the precursor signs to be monitored.

What pathologies concerned?

In detail, researchers evoke large groups of maladies. Among these, there are in particular some cancersneurological affections such as Parkinson’s diseaseseveral metabolic diseases including type 2 diabetes, but also various liver problems and Cardiac dysfunctions or pulmonary. These findings strengthen the idea that almost all of the body systems would be vulnerable to a Bad sleep hygiene.

Concretely, the study reports a Risk net increase For each category when the sleep quality is poor. This concerns both young and older people, proving that no one would be completely protected in the face of this phenomenon.

Evidence from medical study

This vast investigation is based on data collected from substantial populations For several years. The participants were questioned about their Nocturnal habits and clinically followed up to assess the occurrence of Specific pathologies. The methodological detail provides the search for a solid credibility, since it makes it possible to distinguish the real influence of the sleep quality On overall health, regardless of other lifestyle factors.

Crossing statistics and emerging medical diagnostics over the period studied, the authors update a bundle of indices pointing to this unknown amplifier effect. However, additional analyzes remain in progress to specify the relative weight of these links according to the types of population.

Recognize and improve the quality of its nights

Faced with this observation, many wonder how to know if their sleep exposes them to these famous risks mentioned. Several Objective criteria exist, going far beyond the simple feeling of fatigue in the morning. Others concrete solutions Also exist to better preserve your daily health.

Here are some alert signals that can indicate a Quality of sleep to monitor :

• Regular standby or alarm clock during the night
• Feeling of not having recovered After a full night
• Frequent falling asleep
• Nocturnal respiratory disorders (marked snoring, breaks, etc.)

Adapting your environment and habits can make all the difference. Set up a soothing routinelimit the use of screens in the evening and keep an airy or little heated room already allowsignificantly improve the regularity of falling asleep. For those with more serious disorders, seek advice from a healthcare professional remains the best approach.

Simple strategies to promote restful sleep

Some gestures often allow you to quickly find restful nights. For example, respecting fixed schedules falling asleep and lifting helps stabilize thebiological clock. Favor natural light upon waking, practice a Sweet physical activity During the day and opting for a light dinner are effective when repeated daily.

In some cases, the establishment of a sleep book Allowing to note his feelings and disturbances also helps to better understand the personal cycles and to identify possible disruptions without delay. The use of Behavioral and cognitive therapies Or natural approaches such as relaxation can complete these prevention efforts.

Speaking figures and essential vigilance

The extent of the phenomenon highlighted challenges. Discover that as much pathologies – 172 identified in Chinese analysis – be influenced by a long minimized detail upsets benchmarks: so far, many health campaigns favored physical activity or food, while the question of the Nights quality remained behind.

To illustrate the extent of this issue, the table below synthesizes some of the main categories of Diseases affected by the lack of restorative sleep :

The Sleep -related risk prevention So gain to be integrated into public health messages in the same way as other known levers. To clearly identify the mechanisms in question remains essential to adapt its habits every day and reduce, as far as possible, this discreet danger which now affects an ever wider audience.