437 search results for “sleep problems” in the Public website
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Chaotic dynamics in N-body systems
Promotor: Prof.dr. S.F. Portegies Zwart, Co-promotor: D.C. Heggie
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Development of visual span in Hebrew and Dutch-speaking prereaders
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Does the new EU migration pact solve the fundamental problems?
Following years of negotiations between Member States and the European Parliament, there’s finally been a breakthrough for migration policy. What does it mean for the Netherlands, exactly? Mark Klaassen, Assistant Professor in Immigration Law, discusses this on various media channels.
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Whale poop reveals plastics problem: three million microplastics per day
Whales in the vicinity of the city of Auckland, New Zealand consume large amounts of microplastics every day. A team of international researchers reached this conclusion after carefully examining whale poop. The team included Thijs Bosker, Associate Professor in Environmental Sciences at Leiden University…
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Hendriks: Spanish euthanasia law important, but with teething problems
Earlier this year, Spain passed a law that legalises euthanasia and assisted suicide. Spain is now the fourth country in Europe with such a law. Its introduction, however, is not plain sailing.
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Psychology education on suicide prevention honoured with Casimir prize
'We are very happy with this recognition! The great thing about this prize is that it celebrates team effort', Joanne Mouthaan responds to the Casimir Prize for the education project 'E-learning Suicide Prevention'. Colleague Maartje Schoorl calls the prize the icing on the cake of good education in…
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How can we support students affected by global crises? ‘These events shatter the psyche of our students’
In this ‘Educatips’ column, Psychology lecturers share their most important lessons about teaching. This month: Sepideh Saadat guides a support group for students who struggle with the Israel-Hamas war. ‘Some of them feel guilty about enjoying life while their family is suffering.’
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No evidence for link between depression and diet
Evidence that the right diet can prevent or alleviate depression is weak. In literature reviews on the subject, the authors often reach strong conclusions, nonetheless. This is what Florian Thomas-Odenthal, a master’s student in Psychology at Leiden University, discovered in his thesis research. Publication…
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COMMUNITY: unraveling the regulatory networks in Streptomyces that switch on antibiotic production on demand
Through his project we will unravel the global regulatory networks that control gene expression in Streptomyces bacteria and allow them to properly respond to major changes in the environment; we will then harness this knowledge to activate and identify novel antibiotics
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A day in the life
What is it like to study International Studies in The Hague? Read how Vincent, student of International Studies, spends his day on average.
- CMGI Brown Bag Seminars 2025-2026
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Prof. dr. Lenstra in tv show 'De Wereld Draait Door'
In the tv show 'De wereld draait door' of Tuesday 4 February, Prof. Hendrik Lenstra, together with Prof. Barry Koren, gave an explaination of the so-called 'Millenium Problems'.
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Roeland Böcker: 'Problems of multilateralism are a never-ending debate'
On 8 December, in honour of Human Rights Week, Roeland Böcker gave a public lecture about his experiences as ambassador to the Council of Europe. Between 2017 and 2021, Roeland Böcker was the representative of the Netherlands in the Council of Europe.
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Global problems, local actions: Leiden professors help teachers, students and citizens to engage with environmental issues
In 2021, Thijs Bosker and Paul Behrens — both Associate Professors in Environmental Sciences at Leiden University — received funding from the Leiden University Fund and the Gratama Foundation to develop tangible and practical exercises that help people to deal with environmental issues from a local…
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Smoothly breaking unitarity : studying spontaneous collapse using two entangled, tuneable, coherent amplifiers
The Copenhagen interpretation of quantum mechanics states that a measurement collapses a wavefunction onto an eigenstate of the corresponding measurement operator.
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Problems arise when citizens request documents from public authorities with information on third parties
When Dutch citizens request information under the Open Government Act (Woo), third parties can ask the public authority to withhold certain information. Leiden research reveals that the position of these third parties is unclear and accessing information is a difficult process.
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Depression and Suicide Prevention
Our mission is to improve the description, prediction, understanding and the prevention and treatment of mood disorders, including unipolar and bipolar depression, as well as suicidal thoughts, feelings, and behaviors. To tackle this ambitious mission, we focus on several research streams.
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doesn't exist yet, but still we understand increasingly better what problems it can solve
How do we know what a quantum computer is good for when it hasn't been built yet? That's what PhD candidate Casper Gyurik investigated by combining two terms you often hear: quantum computing and machine learning.
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On the optimization of imaging pipelines
In this thesis, topics relating to the optimization of high-throughput pipelines used for imaging are discussed. In particular, different levels of implementation, i.e., conceptual, software, and hardware, are discussed and the thesis outlines how advances on each level need to be made to make gains…
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The developing brain and behaviour
The more opportunities a child has to learn and develop, the stronger his or her future position in society. Leiden University investigates how the brain picks up information, and how learning processes can be influenced positively.
- Week 4: 29 January – 4 February
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Lifestyle and nutrition to combat diseases (of affluence)
We know this, but we don’t act on it: eat healthily, move more, address our stress levels and sleep well. Internist and Professor of Diabetology Hanno Pijl is fascinated by the effect that a healthy lifestyle can have on health. He researches how this lifestyle is achievable and satisfying, for patients…
- Week 5: 5-11 February 2017
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Sebastiaan Grosscurt
Being a better neighbour to the nature around you
- Week 1: 8-10 January 2026
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Host-Microbe Interactions
Microbes influence and respond to other organisms. This theme explores the dynamic relationships within plant and animal microbiomes, and the immune responses that govern host defense. Using model systems such as zebrafish, insects, and plants, we investigate fundamental processes and engineer microbes…
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How can we make Leiden a really 'healthy university'?
At the initiative of several of its professors, Leiden University has joined the international Healthy Universities network. Surrounded by space hoppers, the initiators of this move and those present exchanged experiences and tips at the kick-off meeting on 17 October. ‘I don't miss my chauffeur'…
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Jelle van Buuren discusses the Problem with Conspiracy Theories and a QAnon Ban on VICE
Jelle van Buuren, Assistant Professor at the Institute of Security and Global Affairs, appeared as guest on VICE to discuss the usefulness of recent ban on QAnon.
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AI is currently a straight white man and that is a big problem
Artificial Intelligence (AI) is a technology that often puts women and minority groups at a disadvantage because it tends to be developed by straight white men. What if that changed and women were the driving force behind AI? This is the thought experiment at the heart of Maaike Harbers’ Annie Romein-Verschoor…
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Miranda Boone on problems with virtual court hearings during coronavirus crisis
The coronavirus crisis had a major impact on the judicial system in the Netherlands: courts closed at the start of the pandemic and instead held virtual hearings. Research now shows that things did not always go smoothly.
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Why are we failing to address the problems in youth care?
Youth care in the Netherlands needs to change. A new alarming inspection report says that children’s safety is not guaranteed. Mariëlle Bruning, Professor of Child Law, warns in an Argos podcast: ‘We have a duty to protect children.’
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Deepfake video enforcement is a problem: ‘You can't ban all porn videos.’
Many deepfake porn videos are going around appearing to feature popular Dutch presenters, actors and politicians. These videos are banned, and yet they’re still being circulated. Dirk Visser, Professor of Intellectual Property Law, explains why: ‘There are enough rules telling us that deepfakes aren’t…
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Cognition in the digital environment laboratory
To develop a new generation of brain science (and train scientists) focused on explaining complex real-world behavioural patterns.
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Xing ZhaoFaculty of Social and Behavioural Sciences
x.zhao@fsw.leidenuniv.nl | 071 5272727
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Evert Scholte
Faculty of Social and Behavioural Sciences
scholte@fsw.leidenuniv.nl | 071 5272727
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Nuclear bunker under location Wijnhaven
Various ministries started building nuclear bunkers in the seventies to shield themselves from a possible nuclear attack from the East. One of these nuclear bunkers lies below our new Wijnhaven building. This specific bunker was designed for important figures of government, and was built to function…
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Psychophysiological responses to stress and stress management
The major aim is to determine the psychophysiological responses to stress and stress-management interventions and to examine the role of stress and stress-related psychophysiological mechanisms (e.g., cognitions, behaviors, and physiological stress responses) in both healthy and medical populations.
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Transdisciplinary work is fantastic, but requires dedicated efforts from all sides to understand each other’
Eiko Fried has been appointed professor of Mental Health & Data Science. This combined chair neatly fits the view that understanding complex mental health issues require the integration of statistical methods. ‘The idea that mental health problems are monocausal entities with simple etiologies is no…
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Joke Meijer on the Nobel Prize for the biological clock
This year's Nobel Prize for Medicine goes to the three American researchers who have unravelled the mechanism behind the biological clock. Joke Meijer, Professor of Neurophysiology and an expert in the field of the sleep-wake rhythm, explained in Dutch newspapers Trouw and NRC why this discovery is…
- Event: Unpacking the Problem of Packaging
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How do we maintain a healthy biological clock?
During Seeing Stars Leiden all the lights around Leiden Observatory will be switched off for an hour. The more lights that go out, the more stars we’ll be able to see. For the LUMC, this is the perfect moment to think about our biological clock, the topic researchers from the BioClock consortium are…
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The team
Meet the people of the Resilience Center
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Various media on drug research Mario van der Stelt
Media in the Netherlands and abroad reported extensively about the drug research led by Leiden chemist Mario van der Stelt. In this research, Van der Stelt shows which unwanted side-effects a French drug candidate has.
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Kinderarbeid is ook slecht voor de taalontwikkeling
Dit blijkt uit het onderzoek ‘The Class Divide in Urban Indian Youths’ Lives; Their Time-Use and Adaptive Functioning’ van Radhika Bapat.
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ERC Advanced Grants for two Leiden researchers
The European Research Commission (ERC) has awarded Advanced Grants to two Leiden researchers. Joke Meijer will be researching the effect of the biological clock on our health and Carlo Beenakker will be looking for Majorana fermions in superconductors.
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8th of October is Sustainability Day!
As climate change and ecological degradation’s effects on our mental health becomes more severe, we must all do our best to protect not just the environment, but also our mental well-being. Therefore, on this Sustainability Day, we have collaborated with Healthy University Leiden to focus on the relationship…
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FGGA Feeling Good: don't miss any of the Well-Being Days
From 23 to 26 November, FGGA will once again be organising the online Well-Being Days. Four days of great articles, handy tips and (online) activities. Especially for students, but also very interesting for employees. For example, read about the benefits of walking and get the best walking routes through…
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Solving the Gravitational N-body Problem with Machine Learning
PhD defence
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Health and Medical Psychology (MSc)
In the specialisation Health and Medical Psychology, part of the Master in Psychology, you will acquire knowledge on clinical and scientific topics in health promotion and disease prevention as well as practical training on clinical skills and behaviour change.
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WARN-D: developing an early warning system for depression in students
My ERC Starting Grant, funded with €1.5 million for 5 years as part of the Horizon 2020 research and innovation program, is focused on building the early warning system WARN-D to reliably forecast depression in young adults before it occurs. Why depression, and why prediction?