The practice of putting clocks back for daylight saving time can be guided by a well-defined feeling of winter blues. This denotes a deficiency in energy, decreased enjoyment in activities and a requirement of more sleep. However, 6% of UK population and between 2 to 8 % in higher latitude countries such as Canada, Denmark and Sweden, these signs are so critical that these people cannot exert or function normally. The experience a distinct form of considerable depression prompted by amendments in the seasons called seasonal affective disorder or SAD.
SAD is an also characteristic of variety of manifestations including incurable oversleeping and ultimate carbohydrate cravings that causes weight gain. As this is contrary to paramount depressive disorder where patients are undergoing agony from deranged sleep and loss of appetite, SAD has been wrongly considered as an insubstantial version of depression, but factually it is straightforwardly a dissimilar version of the same illness. Brenda McMahon, psychiatry researcher at the University of Copenhagen says that people suffering from SAD are in the same league as the people suffering from depression. They may have a non-seasonal depressive occurrence, but the seasonal stimulation is the most common.
Around 10-15% of the population possesses sub-syndromal SAD. These individuals fight through autumn and winter and are traumatized from many of the same expressions but they do not possess clinical depression. The figure of people suffering from winter blues is higher in Northern hemisphere where there is a lack of interest in things and there is a permanent tiredness.