I feel out of it

I've been going to bed at 5am and waking up at 3pm, just got account deactivated from work. A place I dedicated 7 months and 600 deliveries to. Been applying to new jobs, and haven't been eating much but worried it's my thyroid meds causing me to feel this way. I'm still tired and I feel as if my brain isn't working properly, I've been eating better but I'm worried that I now have pre diabetes or something

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