Stress transmitter wakes your brain more than 100 times a night — and it is perfectly normal

You may think that a good night’s sleep should be uninterrupted. But in fact, the neurotransmitter noradrenaline causes you to wake up more than 100 times a night, new research from the University of Copenhagen concludes. It is perfectly normal and may even indicate that you have slept well.

You wake up. The alarm clock says 02:56.

“Oh no, it is not time to wake up yet,” you think, fearing that you will need lots of coffee to stay awake the following day.

Most people believe that a good night’s sleep should be uninterrupted. That is why it can be extremely annoying to wake up in the middle of the night when all you want to do is sleep.

New research from the University of Copenhagen shows that the stress transmitter noradrenaline causes you to wake up many times a night. But do not worry. It is all part of a normal, good night’s sleep and can even mean that you have slept well.

Noradrenaline

Noradrenaline is a stress hormone and transmitter substance, which i.a. is associated with the body’s fight or flight response. It is related to adrenaline, and levels may increase during stress, but it also helps you stay focussed.

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