Stressed life requires extra sleep. Photo: Nina Varumo
The sleep is important for memory. It is when we sleep as facts and experiences are transferred from short-term to long-term memory. But a recent Swedish study, done by researchers at Uppsala University, shows that it is enough with half a night’s sleep, if we are not exposed to stress.
– The quality of sleep is more important. Deep sleep plays an important role and it is the first few hours after falling asleep, says Christian Benedict, one of the researchers behind the study.
In order to withdraw information from long-term memory during stress need namely the forebrain be rested, which occurs during the final hours of sleep, it is known as dream sleep.
– We are constantly disturbed. Someone calls and asks you important things while you are in the store to buy candy with your child, he says.
A clear example of the brain’s need for a longer period of sleep when stress is exam.
– The students sit up and plugs all night to store as much as possible in the long-term memory is not a good strategy because the next morning can not recall the memory when they experience a very stressful situation, he said.
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