“But what does it do? It records sleep behaviors for your app, but does it interfere to make sleep better?”

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• Hellp! Philips Smart Sleep Deep Sleep Headband Beyond sleep tracking, the sleep-enhancing headband and sleep app is a complete solution that actively improves your sleep. During the night our bodies cycle through different stages of sleep: rapid-eye movement (or REM), and non-REM sleep, which has three stages. When your body is in the third stage of non-REM – deep sleep – your heartbeat and breathing slow to their lowest levels and muscles relax. This is the most restorative stage of sleep often called "slow wave sleep".

  Answered by Philips Consumer Care 5 years ago

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