Do you sleep badly? How the biological clock and circadian rhythm influence sleep

The human body works according to an internal clock known as the circadian rhythm. This system plays a part in organising multiple biological functions, such as sleep, appetite, body temperature, hormone production, energy levels and mood. This rhythm is naturally synchronised with the cycle of light and darkness, i.e. with...

Melatonin, sunlight and sleep regulation: understanding the relationship

Melatonin is a central hormone in the regulation of the sleep-wake cycle and plays an important role in the overall physiological balance. It is associated with the organisation of the circadian rhythm, the quality of sleep and various adaptive processes in the body. Although it is commonly known as the “sleep hormone”, its regulation depends to a large extent on...

The impact of blue light from electronic devices on sleep

The use of electronic devices is part of most people's daily lives. Computers, smartphones and tablets are often used until very close to bedtime, which raises clinically relevant questions about the impact of the blue light emitted by these screens on sleep organisation. Understanding these effects is essential to...

Lifestyle habits and health: impact on individual and family well-being

Health and quality of life result from the interaction between genetic, physiological, environmental and behavioural factors. Although not all of these factors can be modified, a significant part of health status is related to everyday choices and habits. Focusing on aspects that can be adjusted is an important step towards promoting...

Sleep and cellular repair of the immune system

In an increasingly fast-paced lifestyle, sleep is often undervalued, despite its central role in regulating the immune system. The relationship between sleep, cell repair and immune response is now well documented and is recognised as one of the most important elements in maintaining health over time. The importance of...

Is there such a thing as the best sleeping position? How to adapt your posture to your body

Many patients have doubts about the best sleeping posture or report discomfort associated with the mattress or pillow. Although these factors influence comfort during the night, it is important to understand that the most suitable sleeping position is one that respects the body's individual physiology and favours the alignment of structures, which can contribute to...

Sleeping well: strategies to support sleep regulation and health

Sleep is one of the central pillars of health and physiological balance. During the night, the body activates fundamental processes of repair, regulation and adaptation, involving the nervous system, the endocrine system and the immune system. Adequate sleep contributes to physical recovery, emotional stability and the organisation of...

Habits: why it's so difficult to change behaviour

Many people want to change habits that they know aren't good for them. It could be their diet, their sleep, the way they deal with stress or their lack of movement. Despite this awareness, change doesn't always happen. The idea that “you just have to want to” to change a habit is common, but it rarely corresponds to the experience...