Sleep tracking devices are gadgets designed to monitor your sleep patterns and quality. They can be worn on your wrist, placed under your mattress, or even integrated into your smartphone. By collecting data on how long you sleep, how often you wake up, and the different sleep stages you go through, these devices help you understand your sleep habits better. Many sleep trackers also offer insights and tips for improving your sleep quality. Some popular options include Fitbit, Apple Watch, and dedicated devices like Withings Sleep. By using these tools, you can work towards achieving a more restful and rejuvenating night's sleep.