Psychology

A short night’s sleep often takes its toll as early as the following day. Fatigue, difficulty concentrating and irritability are among the most common consequences. In fact, however, it is not only the brain that reacts to a lack of sleep. The heart, metabolism, immune system and hormonal balance also change when the body does not have enough time to recover. If a lack of sleep persists over a longer period, this can increase the risk of various health conditions. In this article, you’ll find out why sleep is so important for health and what effects a lack of sleep has on the body.

Suddenly, your heart starts beating faster. Your pulse quickens, your breathing changes and sometimes you feel a tightness in your chest. Many people are familiar with such situations – for example, when they are very excited, under stress or after a fright.


Particularly if these symptoms recur, you may wonder: is there something wrong with my heart? Stress is not just a feeling. The body reacts to it in exactly the same way. The cardiovascular system is activated and the body prepares itself for increased physical exertion. It is no coincidence that there are expressions such as ‘my heart stops’ or ‘my heart is in my throat’. They describe physical reactions that can actually occur. But what exactly happens in the body? And why does stress sometimes feel like a heart problem? Read on to find out how psychological strain affects the heart and when it is advisable to seek medical advice.

Our brains are not designed to cope with a constant barrage of digital stimuli. The consequences can include stress, sleep deprivation and a shortening attention span. But how can we break the cycle of constant screen use and short-term rewards? We take a closer look at the mechanisms at play and show you practical strategies for a digital detox that can be sustainably integrated into your everyday life.

It is hard to imagine everyday life without smartphones. At the same time, the constant availability of messages, stimuli and new content can lead the brain to seek out quick distractions time and again. This constant digital barrage reduces our ability to concentrate deeply. Smartphone addiction is therefore no longer a marginal phenomenon.


However, it is possible to change the way you use your smartphone. In this article, you will learn how problematic smartphone use can develop, what role the reward system plays in this, and which strategies can help you regain more calm, focus and control in your everyday life.

Resilience is a term that’s on everyone’s lips these days. It refers to the ability to cope with difficult periods in life, setbacks and crises without losing one’s emotional balance in the long term. It helps us to deal with stress and regain stability after challenging experiences. In this article, you’ll find out exactly what resilience is, what factors influence it, and what you can do to strengthen your own mental resilience.

ADHD is a neurodevelopmental disorder that can affect children, young people and adults. Typical symptoms include inattention, hyperactivity and difficulties with impulse control. The symptoms can significantly impact daily life, school, education or work. Here you can find out what causes and risk factors play a role in ADHD, how it is diagnosed and what treatment options are available.