When someone complains of being tired all the time, we automatically look at their sleep patterns. While a poor night’s sleep will cause fatigue, if that fatigue is chronic, it could be your body signaling that something else is going on.

If you’re experiencing fatigue on a regular basis, it could be one of these seven underlying factors.

We often talk about getting 7–9 hours of sleep as important, but, the quality of that sleep is just as vital. Use these 7 strategies to improve your sleep quality tonight.