Information about coffee

Caffeine Caffeine is a stimulant that can be found naturally in plants we use to make coffee, tea, and...

Sleep walking

Sleepwalking is a sleep disorder, causing you to arise and perform various, everyday actions, while you are still asleep....

Sleep in general

Sleep in general We spend about one-third of our lives sleeping. Sleep invigorates our body and mind, as well...

Sleep apnea

Obstructive sleep apnea is a serious sleep disorder, causing you to stop breathing, repeatedly, during sleep. The disorder is...

Do you sleep enough?

Good sleep largely controls how you feel and how energetic you are. Sleep affects both mental and physical health....
General about sleep
Information about coffee
Sleep disorders
Sleep walking
Children, teen and sleep, General about sleep
Sleep in general
Sleep disorders
Sleep apnea
General about sleep
Do you sleep enough?

Sleep in general

Sleep gives the body a chance to rest, to renew itself and strengthens the immune and nervous systems

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About Svefnsetrid

Svefnsetrid at Reykjavík University

The Svefnsetrid/RUSI was established in 2020 and is a research center within Reykjavík University.

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Sleep test

Epworth  Sleepiness

“How likely are you to fall asleep in the following situations, but not just get tired.”

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Sleep disorders

Jet lag

Jet lag occurs when we travel between time zones, disrupting our circadian rhythm. The primary symptoms include fatigue, difficulty concentrating, stomach problems, mild sickness, and trouble falling asleep in the evening. The circadian rhythm, or the body clock, operates on…

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Sleep disorders

Sleep walking

Sleepwalking is a sleep disorder, causing you to arise and perform various, everyday actions, while you are still asleep. During sleepwalking, the eyes are usually wide open but have a distant, glassy look to them. The subject may sit up…

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Lectures on sleep

Video: Neuroscience of sleep

Neuroscience of sleep  In this TED talk, circadian neuroscientist Russell Foster discusses the importance of sleep for our brain. He shares three popular theories about why we sleep, the effect of sleep deprivation on the society, and the relationship between sleep and mental health. 

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Sleep disorders

Sleep apnea

Obstructive sleep apnea is a serious sleep disorder, causing you to stop breathing, repeatedly, during sleep. The disorder is usually followed by excessive sleepiness. A breathing pause, or “apnea”, occurs when the muscles in the back of the throat fail…

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Sleep disorders

Restless leg syndrome

Restless legs syndrome is a neurological disorder that causes irritation in your legs, sometimes described as a burning or itching sensation, followed by an uncontrollable urge to move them. The symptoms tend to get worse once you lay down to…

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General about sleep

Do you sleep enough?

Good sleep largely controls how you feel and how energetic you are. Sleep affects both mental and physical health. Sleep gives the body a chance to rest and rejuvenate, which strengthens its immune and nervous systems. At the same time,…

Continue reading

Popular articles

Prodcast: Feel better, Live More

Video: What happens to your body and brain if you do not get sleep. In the radio show Feel Better, Live More, Dr. Chatterjee with sleep researcher Matthew Walker...

Video: Effects of caffeinated beverages on youth sleep

Energy drinks and sleep  Caffeinated soft drinks are very popular with young people today. Studies have shown that caffeine has a detrimental effect on sleep, but caffeine is much longer...