Hello. I understand. I'll get right to it.
So That is me.
No, it's not. That is what YOU are experiencing. You are experiencing boredom, depression, fatigue, fear, worry, etc. You are not that. All that stuff and the 1000 other things left unsaid in your title are the Old Man of Sin. That old man can't be fixed or reformed. That is the false self. If any man is to come after Jesus, he need deny his self. That is not you. That is what need be crucified. You are not that. Stop identifying with it.
What am I supposed to do with my life?
Lay it down. That life that you are trying to fix need be laid down. Stop trying to fix it. Stop trying to make it into an acceptable narrative. Lay it down, let it go. You can have the life of your title or you can let it go and partake of the divine Life.
I am a Christian who repents every day all day
I'd guess you are doing some kind of repentance taught to you by religion. Drop that. Repent literally means 'change of mind'. There is the mind of Christ in you. And then there is the common, mundane mind you've used every day of your life that produces what you speak of in your title. Stop listening to and believing and identifying with what that mind is telling you. You are not that. You are not your thoughts. That egoic mind is enmity against God and is a millstone around your neck. Be still and listen for the intuitive still small voice that can be heard when the mentation of the natural 5-sense mind is silent.
Right now you are centered in that discursive thought machine. Repentance means leaving that carnal (informed by the 5 senses) mind behind and being centered in a new place: in the heart, in Christ, in the kingdom of God. It's a whole different consciousness than the old man of sin consciousness. The mind of Christ can be the source and inform all that you do and are.
I just want to sleep
You, the real you, longs for rest which is found when you abide in Christ. It longs for peace. It longs for re-union with the Father.
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You have to realize these things for yourself in order for this to have any effect.
Here's an exercise: Sit in a quiet place, close your eyes and do nothing for 5 minutes. Be still. No thinking, no nothing. Just observe what happens, especially mentally. You could take away at least two things from this exercise.
1. You are observing mentation. You are not the thoughts, you are observing them. You can choose to identify with that blah-blah-blah in the head. Or you can come up higher.
2. When the mind is quiet, where is the "scared, worried, mislead, unsure"??? They don't exist. "Scared, worried, mislead, unsure" only "exist" when the carnal mind is active and telling you this is how things are, this is what you are. Stop believing the lies. You are not that.
Take no thought. Be still. Know thyself.