4. Sunlight is an Inexpensive Painkiller
Exposure to sunlight increases the level of the hormone serotonin in the body which acts as a painkiller. A study shows on the patients whose room were on the sunnier side of the hospital experienced less pain and stress and took 22 percent less painkiller’s during their hospital stay than did whose rooms were on the dimmer side. So when you go to the hospital ask for the sunniest room, if possible.