Well Muslims read : oh Allah with your name i die and i live.
اللهم باسمك أموت وأنا أعيش
It could be that or probably that is what your conscience was thinking about before going to sleep, which made you dream of him/her.
No.
There are many techniques a person can follow to get better sleep. These include reading before going to sleep, not watching screens and taking a bath before going to bed.
Yes, some people claim that exercising before going to bed affects their sleep, but studies made do not report any evidence to confirm that. These studies show that excercise before going to bed does not affect sleep.
Both
Depends on the person
No you are not.
it is said when a baby is born and before going to sleep
Smokers are Jokers!
You should not eat 45 min. before going to sleep, because it is known to triger nightmares and complications with sleeping.
Estaria a punto de dormir ahora = (Someone) would be about to go to sleep now
There is no real harm in drinking soup before sleeping. You may experience indigestion from it, or need the bathroom during the night (due to drinking extra liquid). But going to sleep hungry would also affect your quality of sleep.