Even those of us who tend to head to work with a spring in our steps can't deny that on occasion, getting out of bed on a Monday morning can be tough.
But it turns out that 7am alarm isn't the worst time of the week: according to the new survey, that accolade belongs to 11.17am on a Monday, which has officially been designated "the time of the week we feel most unhappy".
In fact, the survey, by broadband provider Plusnet, found we're generally in a worse mood in the mornings, with less than a quarter of workers saying they feel happiest before midday.
Once the sun is over the yardarm, though, workers tend to feel happier: the cheeriest time of day is 2.35pm, the survey suggested (no reason as to why: food coma? Boozy lunch? Difficult to say).
But the research, of 2,000 people, also found Britons are an easy bunch to cheer up: 42 per cent said "stumbling across a bargain" was enough to salvage a bad day, while 40 per cent cited a "spontaneous hug" and 36 per cent said a car stopping to let them cross the road made them happier.
"We think it's the big things - the dream house, expensive holiday or flashy car - that makes us happy," said psychologist Jo Hemmings.
"But the secret is so much simpler. Holding open a door or saying 'good morning' can make a real difference to someone's day; and the good news is that it will make you feel better too." Although we'd add that it depends on the person's response...