It’s easy to tell when you’ve had a bad night’s sleep. However, it can be difficult to recognize when poor sleep has become a chronic problem.

Even after 7 to 8 hours in bed, you may still feel tired if you aren’t getting enough restorative sleep.

Since you can’t get real-time feedback when you are unconscious, sleep insights are best gleaned using the same approach that you are now familiar with—a tracking system. And in this case, a sleep diary.