Why are reason people can't sleep?

They may experience difficulty nodding off or may wake up habitually amid the night or promptly in the first part of the day. ... A sleeping disorder has numerous potential causes, including pressure, uneasiness, melancholy, poor rest propensities, circadian mood issue, (for example, stream slack), and taking certain meds. Wheezing. Numerous grown-ups wheeze.(snore)

Anxiety issues, stress, too much sleep, don't wanna sleep, etc.

      x/140 = 25/100

we need to find the x to find the x multiply 140 and 25

and what do you get 3500.   and what is 3500 divided by 100

= 35