The most interesting part of our body that changes during sleep is our brain.
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Articles on sleep science
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Pond snails use things like rocks or the side of their aquarium as their bed, attaching themselves while they sleep. This might not seem very relaxing but their shells do hang away from their body.
You might be trying to catch up on sleep. Sleep scientists say some children need only nine hours of sleep at night, while others need as much as 11 hours. It depends on the person.
Niamh, age 7, wants to know why we have scary dreams. But after 200 years of study, dreams are still very much a mystery.
Recent research suggests running allows the brain to rest and reduces the need for sleep.
Sleep is essential for good executive functioning and for good general health. So how do candidates keep up the grueling demands of their schedules?
Have you ever arrived in a hotel room after a long flight and despite being exhausted, failed to fall asleep? This is called the first-night effect and we may have understood why it occurs.
New research suggests disrupted sleep patterns could have more impact on some measures of women's performance than men's.
We aren't slaves to our body clocks: changing your routine could make a huge difference to your sleep patterns.
Here are five scientific studies from the last 12 months with simple tips for raising healthy children.
Top contributors
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Professor of Sleep and Physiology and Director of Surrey Sleep Research Centre, University of Surrey
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Director, Appleton Institute, CQUniversity Australia
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Associate Professor and Head of Paediatric Sleep Research, CQUniversity Australia
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Consultant Paediatrician and Conjoint Lecturer, UNSW
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Associate Professor of Neuroscience, University of Oxford
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Associate Professor, Brown University
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Research fellow, Surrey Sleep Research Centre, University of Surrey
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Postdoctoral Research Associate, Brown University
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PhD candidate, University of Melbourne
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Vice chair, Department of Neurology, University of Florida
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Senior Lecturer in Sleep Ecophysiology, La Trobe University
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Professor in Clinical Child Psychology, Flinders University
