A sleep problem can only be diagnosed if an individual persistently experiences difficulty sleeping over an extended period of time. Why can't I sleep even though I'm tired? Why Can’t I Fall Asleep, Even When I’m Tired? There are several reasons why you may be tired, but unable to sleep. 1. When you are worried about things at work or school, it seems impossible to sleep. There are 2 truths though: we can get by on less sleep if the quality of our sleep is good, but going without sleep … Rebecca Leonard November 18, 2019 07:04; Updated; Follow. If terms such as sleep hygiene and circadian rhythm are new to you, I recommend you also read this article that goes into more detail about how to improve your sleep. However, being tired all day and awake at night can also be caused by poor napping habits, anxiety, depression, caffeine consumption, blue light from devices, sleep disorders, and even diet. Anxiety and Stress. … If you experience trouble falling asleep, getting back to sleep, daytime drowsiness, or concentration and memory issues, consider seeing a sleep specialist, Salas says. We will cover some of the most common reasons. Below are the top reasons why you might feel wired when it’s time to sleep… The Reasons Why You Are Tired But Can’t Sleep. If you find yourself questioning 'Why Can’t I Sleep Even Though I’m Tired?' We give up sleep to continue with more work as we rush from one thing to the next.