If those ubiquitous sleep-inducing tips like “use your bed only for rest” and “draw a hot bath” are not helping, the zYoga program, comprised of DVDs and CDs, promises to knock you out with ease. zYoga, The Yoga Sleep Ritual, is 40-minute posture and breathing DVD to unwind your body and slow your mind—the accompanying zYoga Lullaby CD is an actual bedtime song that is supposed to seal the deal. It’s all taught and sung by Ann Dyer, a faculty member and teacher at Rodney Yee’s studio in California. In addition to being an Iyengar yogini, she studied the yoga of sound (nada yoga) for ten years. Her website (which is actually relaxing just to look at), sleepgarden.com, has sells her full line of sleep-inducing and stress-relieving products.