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You need to keep your mobile device with you during the training session. Note that the accuracy of the
positioning data depends on the accuracy of the mobile phone's GPS. It may vary depending on the mobile
phone you use.
SMART COACHING
Whether it's assessing your day-to-day fitness levels, creating individual training plans, working out at the right intensity or
receiving instant feedback, Smart Coaching offers a choice of unique, easy-to-use features, personalized to your needs and
designed for maximum enjoyment and motivation when training.
Your watch includes the following Polar Smart Coaching features:
Nightly Recharge™ recovery measurement
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Sleep Plus Stages™ sleep tracking
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FitSpark™ daily training guide
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Serene™ guided breathing exercise
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Fitness Test
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Running Program
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Cardio load
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Training benefit
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Smart calories
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Continuous heart rate
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24/7 Activity tracking
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Activity Benefit
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NIGHTLY RECHARGE™ RECOVERY MEASUREMENT
N ightly Recharge™ is an overnight recovery measurement that shows you how well you recover from the demands of your
day. Your Nightly Recharge status is based on two components: how you slept (sleep charge) and how well your autonomic
nervous system (ANS) calmed down during the early hours of your sleep (ANS charge). Both components are formed by
comparing your last night to your usual levels from the past 28 days. Your watch automatically measures both sleep charge
and ANS charge during the night.
You can see your Nightly Recharge status on your watch and in the Polar Flow app. Based on what we've measured from
you, you get personalized daily tips in Polar Flow app on exercise, and tips on sleep and regulating your energy levels on
those particularly rough days. Nightly Recharge helps you make optimal choices in your everyday life to maintain overall
well-being and reach your training goals.
How to start using Nightly Recharge?
1. Continuous heart rate tracking needs to be enabled for Nightly Recharge to function. To enable Continuous
HR tracking go to Settings > General Settings > Continuous HR tracking and choose
2. Tighten the wristband firmly around your wrist and wear the watch when you sleep. The sensor on the back
of the watch must be in constant touch with your skin. For more detailed wearing instructions, see
based heart rate
3. You need to wear your watch for three nights before you start to see the Nightly Recharge status on your
watch. This is how long it takes to establish your usual level. Before you get your Nightly Recharge you can
view your sleep and ANS measurement details (heart rate, heart rate variability and breathing rate). After
three successful nightly measurements you can see your Nightly Recharge status on your watch.
measurement.
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On
or
Night-time
only.
Wrist-
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