I am have a tough decision leaving my current job for a better paying job. Please help me make a decision!

I'm working for a contractor for the federal government. I have been with this contractor for 5 years now. They hire people with disabilities and I was hired for my depression and anxiety as disability. I have a bad reputation at my current job for being late and calling out very very often. I have a lot of trouble waking up at 5AM for work. I full like death. What I'm getting at here is my current job isn't AT WILL and are unlikely to fire me. I get paid hourly 21.66 in the stl area.

I was offered a position for a salary of 60k yearly and flexible schedule so I wouldn't be late but this new contractor is AT WILL and could fire me for no reason. This new contractor also said that for the job I'm being hired for would only last a year or possibly more if extensions are needed. But I was told I'm not promised another position once this job is done but it's highly likely (based on my performance) I'd be put into another position. This all seems very risky for me but it's more money and I hate my CURRENT job since it's sooooo boring. I browse reddit and do nothing all day!!!!

What should I do?! Let me know if I didn't provide enough details...

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