It’s also important to change your way of life. First of all, reduce the stress. Try to diminish the influence of different work and overburden upon you. Normalize your sleep. Sleep deprivation makes you irritated, sad and tired. Sleep 7-9 hours each night. Remember, that nutrition determines your mental and physical health. Social support plays an influential role too. So contact your family and friends regularly. Physical exercises help to overcome the depression. Thanks to them more endorphins, serotonin and other brain chemicals are produced.