Why you need to go to bed earlier in winter – study

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 Why you need to go to bed earlier in winter — study

A new study published in the journal Frontiers in Neuroscience shows that people's sleep cycles change with the seasons. As it turned out, people experience more REM sleep in winter.

This fact was established by a group of scientists from the Charité Medical University in Berlin. The study involved 292 participants. They underwent polysomnography — a test used to diagnose sleep disorders.

The participants went to sleep in a special laboratory. They were asked to sleep naturally, without an alarm clock. The scientists then measured the quality and duration of their sleep.

On average, people sleep an hour longer in winter than in summer. We are talking about REM sleep, which averages 30 minutes in winter longer. REM sleep is associated with dreaming and memory consolidation, according to sleepfoundation.org. During this stage of sleep, the body's heart rate increases and breathing can become irregular. The body also reduces muscle tone so that the dreamer does not harm themselves during sleep.

Scientists have also found that insomnia becomes a more common problem towards the end of the year.

Because of this, scientists and medical professionals are now recommending that people try to go to bed earlier in the winter. This may help people adjust better to seasonal changes.

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