Getting Started

Sleep is an essential part of your health. High quality sleep is important for maintaining muscle mass, as well as your productivity and mood. On the other hand, missing sleep raises cortisol levels, weakening your immune system and causing food cravings.

The exact amount of sleep required varies by person and depends on age, activity levels, stress and other factors, but is generally around 8-9 hours. Many things can affect your sleep quality, including your eating and drinking, circadian rhythm, light exposure and much more.

The primary metrics to look at for measuring your sleep quality are your resting heart rate (lower is better) and HRV (higher is generally better), which can be reviewed in the app every morning when you wake up. You can see your exact resting heart rate...