Summer’s almost here, and you can’t wait for a day of fun in the sun with friends. Something about being outside in the sunshine just makes you feel good. In fact, there are a lot of mental and physical benefits to getting regular doses of ultraviolet light, which is the type of light produced by the sun. Studies show that exposure to sunlight can improve your mood, help you sleep at night, and give you strong bones and teeth. It is even good for your skin. But too much sun can be downright dangerous, so before you throw on shorts and a tank and go running out the door, make sure you have sun protection in the form of a hat, shades, and sunscreen. You also need a water bottle so you can stay hydrated. Read on to find out how sunlight affects your body, mind, and mood, and how to keep your relationship with UV rays sunny.