If you wake up feeling groggy and still tired, your sleeping habits may be to blame. Luckily, a few simple tweaks are all you need to increase the quality of your nighttime Zs. While developing Lark (a silent alarm clock and sleep monitor), Julia Hu spent years researching sleep (with the help of sleep experts around the world). Here are her simple tips for better slumber.
5 Ways to Change Your Sleep Habits