For a cool $50, you're put into a specially designed infrared bed that heats you up as you lay back and watch TV for 55 minutes, because of which Shape House claims you will burn 800-1,600 calories.

Made from durable and sustainable Canadian Red Cedar, along with high-emissivity infrared heaters ... s meant to be position on the floor or bed and controlled with a handheld dial for temperature ...

The renowned firm offers the SpectraLight Full Spectrum Therapy Bed, designed to support wellness through light therapy.

When William Shakespeare died he famously left his wife Anne only one thing: their 'second best bed'. But new infra-red analysis on ... Shakespeare's will under infrared rays (1050nm spectrum).