Mar 7, 2016: Seasonal Affective Disorder or SAD is a common form of depression that is experienced during a particular time of the year. Most often, people with SAD experience depressive mood during autumn and winter months. Though the exact reasons are not known, some theories suggest that SAD may be caused by the reduction of daylight hours, which may disrupt our biological body clocks, which in turn may disturb circadian rhythms within our body. read more
Children commonly snore from time to time and that is often harmless. But children with frequent snoring and breathing problems during sleep have an increased risk of having trouble concentrating and learning difficulties.