Try to go to bed early and dont eat a heavy meal before bed time. If you do eat before bed, try to eat some carbs, because you maybe fill full and have some good energy when you get up
Have some water and or coffe. However; if you drink coffee drink like an hour or two before your go
Streatch before you too, so you wont get cramp up on your run.
Also, wear comfordble clothes and shoes, if you have a fitness watch, you track your calories count and your distance