You're cross-eyed from monitor glare, comatose from lunch digestion, and you don't even realized you just opened up Facebook: It's 2:55 in the afternoon, the time of day when productivity dies.
Deconstructing the dip
LondonOffices.com's recent poll of 420 British office workers, while not incredibly scientifically robust, does provide some interesting insight into the workday rhythm.
The respondents said that 2:55 p.m. was the low point of the day's output: Most folks said they were either checking social media or planning for their evening--perhaps heading to the "pub" or getting a game of "footie" together.