Yep, I feel like that pretty much every day. I'm not even sure what does get me up, so unfortunately I don't have good advice on that front.
What does work for me is I try and think of an upcoming event that I'm looking forward to, or even though I hate school, getting to talk to my friends helps sometimes. Then even just wanting to listen to a certain song or watching something on TV helps. I just try to focus on the little things in life that I usually enjoy and think about them.
Just know that the feeling does pass, I'm waiting as well. You're not the only one :)
Down the road the sun is shining
In every cloud there's a silver lining
Just keep holding on
Every heartache makes you stronger
But it won't be much longer
You'll find love, you'll find peace
And the you you're meant to be
I know right now that's not the way you feel
But one day you will
- Lady Antebellum