Standby Shipmates, do not despair. Monday may be the most depressing day of the year. Get on yer peacoat, batten down the hatches, and put a smile on your lips. If you want to blame anyone, Melanie McDonald, of Anglian Home Improvements, is your huckleberry. She commissioned the study: The survey shows a clear link between natural daylight, mood and motivation. Thank you Melatonin, I mean Melanie.