Go to sleep and Take off

Go to sleep verb - Prepare for sleep.

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

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

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