Cannabis has been shown to have sedative properties that can help people sleep. The two primary compounds in cannabis, THC, and CBD, can both contribute to improved sleep.

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THC can have a relaxing effect on the body and mind, making it easier to fall asleep. It may also reduce the amount of time it takes to fall asleep and increase the duration of sleep. However, high doses of THC can also have the opposite effect, causing feelings of restlessness and anxiety.

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CBD, on the other hand, does not have a sedative effect, but it can help to reduce anxiety and stress levels, which can contribute to better sleep quality. CBD has also been shown to increase the amount of time spent in deep, restorative sleep.