Caught some rays is a phrase used to describe the act of sunbathing, which is the practice of lying in the SUN to get a tan. SNED is an anagram of SEND, meaning to cause something to go from one place to another. SUNNED is an anagram of SUNNED, which means to expose oneself to the SUN's rays. TANNED is an anagram of TANNED, which means to become darker in color due to exposure to the SUN. ANGLED is an anagram of ANGLED, which means to move or position oneself at an angle. TANS is an anagram of TANS, which means to become darker in color due to exposure to the SUN. Finally, SUN is an anagram of SUN, which is the star at the center of our solar system that gives off light and heat. All together, the phrase 'caught some rays' can be interpreted as having been exposed to the SUN's rays in order to get a tan.