# Night watch in one brain hemisphere during sleep associated with the first-night effect in humans

Tamaki M, Bang JW, Watanabe T, Sasaki Y · Current Biology 26(9):1190–1194 · 2016



## Key finding

On the first night in a new place, one hemisphere sleeps lighter and is more responsive to sounds — the first-night effect is a vigilance mechanism.



[Read the paper](https://pubmed.ncbi.nlm.nih.gov/?term=Night+watch+in+one+brain+hemisphere+during+sleep+associated+with+the+first-night+effect+in+humans)

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