Kathmandu. Even after sleeping on time at night, not using mobile for a long time, and getting a full eight hours of sleep, many people experience fatigue upon waking up in the morning, heavy eyes, and persistent tiredness throughout the day.Ignoring this as normal can be a serious mistake. In some cases, the body may be signaling a serious health problem.According to sleep specialist Dr. Steven Thau of Hartford Healthcare Medical Group, the number of hours slept is not enough; rather, how deep and restful the sleep was is more important. Many people spend eight hours in bed, but their...