Dr. Somers: We've got vibrant lights in all places, and after that we change the lights off, we lie in mattress and expect to sleep. The Bed room, the mattress is for sex and sleep. It isn't for spreadsheets, it's actually not for watching Television set. From Mayo Clinic https://stephenhwbhg.ampedpages.com/copyright-reviews-things-to-know-before-you-buy-60523409