Itsy Bitsy Yoga classes for your newest edition just may be the cure for sleep-deprived mothers. Deana Prokos, mother and certifi ed instructor, asserts that yoga has a calming eff ect on babies that leads to sweeter slumber. Classes for newborns to 2-year-olds are held at the Tom Muehlenbeck Center in Plano. The eight-week class is $88, and discounts are available for Plano residents. Check website for scheduling information. 214-695-6477.