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How cannabis effects our sleep and our dreams

Someone rolls a joint Friday, Nov. 14, 2025, in Brookline, Mass. (Robert F. Bukaty/AP)
Robert F. Bukaty/AP
Someone rolls a joint Friday, Nov. 14, 2025, in Brookline, Mass. (Robert F. Bukaty/AP)

Cannabis has become a popular sleep aid, but while THC — one of its main active ingredients — has been shown to induce drowsiness and sleep, research shows cannabis may actually make sleep quality worse.

Here & Now‘s Anthony Brooks speaks with University of Calgary neuroscientist Matthew Hill, who studies the interaction between cannabinoids, sleep and stress.

This article was originally published on WBUR.org.

Copyright 2026 WBUR

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