In northern latitudes, at certain times of year, the idea of getting out of bed can seem like a joke. These might help..

Believe me, you have to get up early if you want to get out of bed!
-Groucho Marx

Early to bed, early to rise, work like hell, and advertise.
-Laurence J. Peter

I discovered my wife in bed with another man, and I was crushed. So I said, “Get off me, you two!”
-Emo Philips