The most interesting part of our body that changes during sleep is our brain.
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.
Science shows that early starts can be bad for teenagers' health. Schools and universities would be better off starting at 10am.
It is worth remembering that sleep 'crises' are far from new.
Although it may appear you're “switching off” when you fall asleep, the brain is far from inactive.
Research suggests that sleeping on your back can increase the chances of stillbirth. Pregnant women need better access to such vital information.
Taking a power nap on a night shift can leave you feeling groggy. And eating a large meal can reduce your alertness. So, what's a tired shift worker to do to make it through the night?
How a lack of sleep impacts a child's ability to learn.
Can drinking a cup of coffee before taking a short nap really give you the energy you need to see you through the day?
Can disturbed sleep patterns have an impact on a child’s ability to acquire language and vocabulary?
By understanding sleep across animals we can gain insights into improving the quality of human sleep. It can also help to bolster conservation management strategies for the animals in question.
Welcome to the controversial world of sleep consultancy, where coaches and counsellors train new born babies to 'sleep through the night'.
Recent research suggests running allows the brain to rest and reduces the need for sleep.
Non-addictive and cost-effective, music can reduce the time it takes you to fall asleep and lessen sleep disturbances.
Our internal body clock is set via a combination of biology (nature), light exposure and social scheduling (nurture).
There are plenty of devices to help monitor your sleep, but are they any good?
You may have to blame your ancestors...
Sleep is often overlooked as a treatment for brain injury, but new research could be about to change that.