Sun salutations are a necessary ritual that keeps our solar body from growing angry and burning libelous graffiti on the Hubble telescope. Help keep cosmic peace with today’s Groupon: for $20, you get 10 hot yoga classes at Bindi Yoga in Lynnwood (a $95 value).

Inside Bindi Yoga's vibrant practice rooms, certified instructors lead a robust schedule of classes. The studio temperature increases to a balmy 105 degrees during 90-minute hot-yoga sweat sessions. A range of 26 empowering postures challenges all areas of the body, helping build muscle strength and flush the body free of harmful toxins and the residual matter of ice-cream overdoses.