Food as medicine. What foods promote wakefulness, sleep? Thank you!

It's a long list! A few for wakefulness/energy: coffee, green or black tea, siberian (red panax) ginseng, dark chocolate. A few for relaxation/sleep: chamomile, ashwaganda, rhodiola, valerian root, maca, holy basil, magnolia bark. A few supplements for relaxation/sleep: melatonin, magnesium, l-theanine, tryptophan, 5-htp.