The brand is encouraging Londoners and tourists to test the theory that taking a power nap after drinking a dose of caffeine increases energy levels.
As such, the baker has created a number of giant branded coffee cups that visitors will be able to climb into and sleep in after sampling a free coffee. Greggs has dubbed the experience a 'Nappucino'.
The experience launched at London’s Potters Field Park at 7.45am this morning and will be available to test drive until the sun sets over London.
Greggs is working with agencies Havas PR Manchester, Platform and Splendid on the campaign.
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