A new study has confirmed that the so-called "Sunday blues" are a genuine psychological and physical phenomenon, not just a subjective dip in mood, with symptoms typically peaking around 7pm. Researchers found the feeling is driven by frustration over an unfulfilled weekend combined with dread about the working week ahead, and it can bring on real physiological effects alongside emotional ones. The findings matter because they suggest the Sunday scaries are a widely shared, measurable experience with tangible impacts on wellbeing and behaviour, rather than mere anecdote.

The research, led by Dr Zhuochao Peng at Delft University of Technology and published in Frontiers in Psychology, combined a review of global studies, focus groups and personal diaries. Participants reported emotional symptoms including sadness, regret, emptiness, anxiety and reduced patience, alongside eight physical symptoms such as fatigue, restlessness, a raised heart rate, stomach discomfort, food cravings, muscle tension and tearfulness. Previous research cited in the study suggests around eight in ten people experience a Sunday evening mood dip, with common coping strategies including long showers, spending time with pets, having a drink, playing board games and watching comedies.