Depending on their age, a person needs 7–17 hours sleep in every 24 hours. But, just sleeping is not enough. Deep sleep is essential for health and wellbeing. Most adults need around 1.5–2 hours of ...

If you're struggling with sleep or simply want to know more about what's happening to your body when resting, a sleep tracker can be a great place to start -- especially if you can also use it for ...