As astronauts who've been abandoned by their ships in deep space can attest, there are few experiences as relaxing as floating through total darkness in zero gravity. Today's deal treats you to the closest earthbound equivalent. For $35, you get a flotation session (a $75 value) from At Peace Floatation Spa in Colleyville. Sessions last about an hour, so you can either wear a swimsuit or nothing at all, just like casual Fridays at the office. To make your session as comfortable as possible from start to finish, check out At Peace's advice for newcomers, which includes stretching beforehand, not shaving, and taking full advantage of your cozy spa suite's complimentary towels, showers, soap, shampoo, and earplugs.

The central idea behind an At Peace flotation session is pretty simple. A tank is filled with a 10- to 12-inch layer of warm water that has been supersaturated with 800 pounds of Epsom salt. The salt makes the water denser than the human body, allowing you to float weightlessly on its surface. The water is kept at normal skin temperature, the air is maintained at a comfortable temperature of 80 degrees, and you have total control over the lighting and music while inside the tank.

Once you're comfortably afloat inside the tank, all you have to do is not move while the weightlessness works its benefits. Stress melts away, pains and muscle aches subside, and the mind can become as calm as a polished mirror before going into creative overdrive upon return to the world of sensory stimuli. An hour of floating is roughly equal to four hours of restorative sleep, while the magnesium sulfate provides the detoxification of a three-day fast. As stated on At Peace Floatation Spa's website, flotation may also have beneficial effects for those looking to lower blood pressure, boost immunity, improve athletic performance, and more. The super-salted water even keeps your skin from wrinkling during your session so that you emerge from the tank as smooth, soft, and silky as the day you emerged from the replicant factory.

A filtration system cleans and filters the water between sessions so that you don't end up floating in someone else's sloughed stress and body toxins. With today's Groupon to At Peace Floatation Spa, you can finally get back to thinking about whatever it was you were thinking about before you were forcibly evicted from your mother's womb.

Reviews

At Peace Floatation Spa has appeared on Home and Lifestyle, and Living magazine has praised the spa:

• Can you imagine how great you would feel after an hour of absolute peace, lying weightless in perfect silence? Wouldn’t it be wonderful if stress, aches and pains, toxins and fatigue could magically float away, leaving you feeling rested, relaxed and refreshed? Thanks to At Peace Floatation Spa, you can reap the myriad benefits of floatation therapy—the fastest growing spa therapy in Europe—without traveling thousands of miles. – Anna Charles, Living