In today’s iLounge Deal we’re offering the iHealth Wireless Activity and Sleep Tracker for only $39.99 – that’s over 40% off the regular price. Allowing you to take control of your health, this workout and sleep monitor measures your steps taken, distance travelled, calories burned, and sleep efficiency and hours. You can wear it as a wristband or a clip, and pair it with the companion iOS app to view personalized health stats…