Cosmopolitan (UK) - - Cosmopolitan Promotion -

Cof­fee, then break­fast? Or, worse, cof­fee for break­fast? You may think all that caf­feine makes you more pro­duc­tive, but hav­ing it on an empty stom­ach spikes the stress hor­mones cor­ti­sol and adren­a­line,

says Dr Ni­cole Van Gronin­gen, a spe­cial­ist in in­ter­nal medicine. This sends your body into sur­vival mode, re­duc­ing your at­ten­tion span to barely-there lev­els. The hack: Our bod­ies re­lease cor­ti­sol first thing to help us wake up – add cof­fee to that, and you get a stress spike. Save that flat white for af­ter your body has pro­cessed its resid­ual cor­ti­sol; if you wake be­tween 6am and 8am, that’s just af­ter 9.30am. It’s a tech­nique used by Twit­ter CEO Jack Dorsey, who med­i­tates, works and then has his cof­fee.

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