Sleeping well may seem easy in the winter months during gloomy weather and grey skies; but winter can be the hardest time to catch enough zzzz’s. Post-holiday, winter blues can set in, disrupting sleep and creating a long-lasting cabin fever.

More Americans are overweight or obese today than ever before. This upward shift in weight has been triggered across the board by easier access to food and, over the course of the last two decades, a movement toward sedentary jobs. PublicHealth.org also notes that fast food, which makes up more than 10% of the average American’s diet, has played a major role in the obesity epidemic.

It’s no secret that even the smallest adjustments to every day habits can lead to better health and quality of life, from taking the stairs instead of the elevator, picking water over soda, eating whole fruit rather than drinking juice, and so on. And nowadays, there is no short supply of activity trackers that can help you make those adjustments.

Luckily, many of these wrist-accessory gadgets track more than just steps taken and calories burned – they also track sleep patterns. The most popular activity device, Fitbit, has even worked with sleep experts to attain the most accurate data a device can gather. To better understand your sleep behavior through your own tracker, the following explanations can help give you the information that will help you make any necessary changes to improve your quality of shut-eye.