rise with the lark
To wake and get out of bed at sunrise. I've always loved camping: rising with the lark, cooking breakfast over an open fire, exploring the great outdoors—it's all wonderful!
be ˌup/ˌrise with the ˈlark
get up early in the morning: She was up with the lark this morning.A lark in this idiom refers to a kind of bird that sings early in the day.