The pain in the eyes when you wake up in the morning is linked with eye dryness caused by the problem in the quality of tear that functions as the lubrication of the eyes. There are other causes of eye dryness, for example aging and environment. The oil produced by body for sealing the watery layer of eyes becomes less through the process of aging. So eye dryness occurs to older people more. Environmental factors can also contribute to the dryness of eyes. When you are in places with hot, dry or windy climates, you may feel dryness in your eyes. Since you wake up with pain eyes, the air-conditioning and cigarette smoke in your room may be the cause of the dryness and pain. Putting eye drops in your eyes before going to sleep and in the morning can help.