Go to sleep and Get off

Go to sleep verb - Prepare for sleep.

Get off and go to sleep are semantically related. in retire topic. In some cases you can use "Get off" instead a verb phrase "Go to sleep", when it comes to topics like leave a place or responsibility.

Get off verb - To leave a place often for another.

Go to sleep and get off are semantically related. Sometimes you can use "Go to sleep" instead a verb "Get off".