Em­fit QS

Take the quan­ti­fied self to the next level sim­ply by hav­ing a kip

Mac Format - - RATED -

€274 (about £195) Man­u­fac­turer Em­fit, em­fit.com

Data sets Heart Rate Vari­abil­ity, Ner­vous Sys­tem Bal­ance, Rest­ing Heart Rate, move­ment ac­tiv­ity Con­nec­tiv­ity Wi-Fi Ca­ble length 1.8m

Fit­ness track­ing has al­most ex­clu­sively taken the form of wrist-worn de­vices that record vi­tal stats about your heart rate and ac­tiv­ity dur­ing sleep. Sleep is vi­tal to over­all health and this un­der-mat­tress sleep mon­i­tor is def­i­nitely geared to­wards ath­letes, record­ing the kinds of data you would ex­pect from pro­fes­sional fit­ness regimes. Yet this is a de­vice that could be used by any­one who has se­ri­ous con­cerns about the amount and qual­ity of sleep they get and how it re­lates to their over­all health. We pit­ted the Ap­ple Watch against other pop­u­lar fit­ness track­ers in our Get Fit fea­ture on page 74, but we couldn’t add sleep qual­ity into the mix; the Ap­ple Watch can’t record that.

Though some wrist­bands track sleep, such as the Jaw­bone Up, a static strip that’s more part of your bed than part of you is surely the bet­ter in­di­ca­tor. The tech in­side the QS is com­prised of elec­troac­tive poly­mers laid out in a strip that has two ad­he­sive tabs that stick to the un­der­side of your mat­tress, what­ever its depth. Con­nected to that is a wire­less el­e­ment that com­mu­ni­cates with your router. We had some prob­lems set­ting it up, but re­set­ting the router and us­ing the WPS method re­solved that. Em­fit says it hopes new firmware for the QS will ad­dress is­sues with some routers.

The QS has no but­tons, and you can’t re­ally con­fig­ure any­thing in its web in­ter­face. But you’re sup­posed to just let it do its anal­y­sis – it knows as soon as you jump into bed and starts mon­i­tor­ing. It’s se­ri­ous science, with three-stage sleep clas­si­fi­ca­tion in ad­di­tion to to­tal du­ra­tion. You’ll see per­cent­ages of REM, light and deep sleep tracked along­side heart rate, res­pi­ra­tion rate and phys­i­cal ac­tiv­ity – yes you re­ally are that fid­gety at 4am! We can’t ver­ify these record­ings sci­en­tif­i­cally, but to see your night’s sleep plot­ted this way is a real eye-opener. Chris­tian Hall

A wealth of sleep data. Prob­a­bly far too much for most peo­ple, but there’s noth­ing quite like it found else­where.

The Em­fit QS aims to help you bet­ter un­der­stand your sleep and how it af­fects your health.

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