The sleeping problems of many older people has been shown to result from getting too little light, especially blue light during the day. These glasses may help. For most people the more serious problem is getting too much light in the hours before bedtime that robs them of melatonin. Using amber glasses that block the offending blue light that were developed at the Lighting Innovations Institute at John Carroll University not only help people sleep better but may reduce the risk of cancer. Glasses are available from a spin-off company at www.lowbluelight.com.