People - texting w friends?

If you text a good friend at night, and they are busy or sleeping and dont respond, is it ok for them to still not text you back the next morning? or:

If you text a good friend at night, and they are busy or sleeping and don't respond, is it ok for them to still not text you back the next morning?

or:If you text a good friend at night, and they are busy or sleeping and don't respond, is it ok for them to still not text you back the next morning?

or:If they are busy, yes

or:understand them maybe they are just busy

or:yes,

Tags:morning,