How do dreams affect your brain? By: Emma Hitchen

The Upside of Nightmares

•Bad dreams stay with you long after they happen

•They are overwhelming, become more frequent, and can be out of control during periods of stress

•When nightmares happen the dreamer is woken up before the brain's stimulation scenario is done

•Positive interactions in dreams strengthen your personal relationships

•Nightmares may serve an evolutionary function that makes your brain reenact bad events

•Rapid eye movement sleep is when dreams are most vivid

•It can be showed by scalp measured brain activity

Science in our World: Certainty and Controversy

•Dreams are forms of thinking where there isn't activity in your brain

•They can serve as a guide to emotion

•Dreams can affect:



How Dreams are Shown through Brain Activity

•EEG is able to measure your brain waves during sleep

•Your brain activity increases and decreases while sleeping

•In your first hour of sleep your brain waves slow down and your eyes and muscles relax

•Your brain waves are slow but then suddenly go faster

•You alternate between slow and fast sections of times

This is a video with a MRI of the brain while dreaming.


Carr, M. (2016). The upside of nightmares. New Scientist, 230(3071), 36.

The nerve blog. (n.d.). Retrieved April 16, 2017

SiOWfa15: Science in Our World: Certainty and Controversy. (n.d.). Retrieved April 16, 2017

C. (2010, July 20). Retrieved April 18, 2017


Created with images by 3dman_eu - "clouds sky cloud" • janekszy46 - "sunset red orange" • Pattys-photos - "clouds" • ElisaRiva - "head brain thoughts" • AdinaVoicu - "sunset sky sun" • Orangefox - "dream catcher sun blur"

Report Abuse

If you feel that this video content violates the Adobe Terms of Use, you may report this content by filling out this quick form.

To report a Copyright Violation, please follow Section 17 in the Terms of Use.