Why Some People Can Sleep Through Noise
Some people can sleep through anything. Others not so much. Light sleepers who are easily awakened by noise have different brain rhythms than people who can sleep through it, according to a new study.
Researchers at Massachusetts General Hospital found that the number of brain rhythms called spindles produced during a quiet night determines whether a person will wake up on a noisy night in the future. The more spindles, the more likely it is that a person will sleep through noise.
Twelve healthy adults between 20 and 40 spent three nights in the Massachusetts General sleep lab. The first night was quiet, but during the second and third nights, participants were subjected to increasing levels of noise. EEG readings were taken to measure when they were sleeping and at what point they woke up.
I don’t know about you, but I can sleep through anything. Looks like I have more spindles.
Last Updated on August 11th, 2010
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