Sleep Trackers Can Make Your Matters Worse

Sleep trackers can reinforce a psychological construct that also has and carries a burden with it. The physiological burden of insufficient sleep will have its own impact separate from the psychological burden that you've just lumbered yourself with, which is knowing how bad my sleep was. But i'd also like to speak about some of the good sides of an making the right choice for a sleep tracker. What are the variables that you sort of keep track of, and what devices and tools do you use?