On Day 15 of The 40 Day Health Challenge here on Ireland's Classic Hits Radio, clinical psychologist Dr Eddie Murphy spoke to our very own Trina Mara about 'Blue Monday'.
Otherwise known as the 20th January, the third Monday has often been described as the gloomiest day in terms of mental health.
However, Dr Murphy says otherwise, calling a made-up "marketing tactic" to get people to spend money.
Find out more below....
