For the same reason humans do; it's comfortable.
I love sofa
Curl-up was created in 1951.
Koalas do smetimes curl up tightly when they sleep. They curl up in winter to keep warm.
a curl up is when you do an exersize to sit up and then back down up.... and down.
a curl up is when you do an exersize to sit up and then back down up.... and down.
A curl up is an exercise where you are when you are pulling your self up, but in a curl motion which help the biceps or your arms and also your abs.
A curl up is an exercise where you are when you are pulling your self up, but in a curl motion which help the biceps or your arms and also your abs.
No it is not... its suppose to be : I slept on my sofa and woke up in my bed
I had never seen centipede curl up if disturbed. Milipedes do curl.
They curl themselves up in order to stay warm.
Cats LAP up water. They dip their tongue into the water, curl it, and bring the tongue back into their mouths. Kittens learn to lap after beginning to be weaned from their mom and beginning to eat mashed wet food.
a sleeper sofa is a couch that you can open up under the cushions and you can open a bed