Light shifts your body clock later

[maxime]

I got it! Instead of "The sun has set. Light is making your body later.", here's what you could write to make it sound better in English:
"The sun has set. Light shifts your body clock later" or "The sun has set. Light shifts your body clock to a later schedule."

[maxime]

Light delays the timing of your circadian clock - or - Light delays your circadian clock