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Yes, and research suggests they may work synergistically

January 13, 2011

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How to Rationally Approach Supplementation for Sleep, Hormone Support, and Cognitive Enhancement Sleep Huberman suggests that if youre thinking about supplementation for sleep, you first need to optimize your behavioral and nutritional protocols, such as avoiding caffeine after 2 pm and avoiding food two hours before bed, as these can disrupt the architecture of sleep. Once these protocols are met, Huberman says you need to ask yourself a few questions

This is the biologically active fraction of vitamin B12 in the blood, as it is in only this form that B12 can be delivered to all the cells of the body