What are consequences of no sleeping?

Some of the most serious potential problems associated with chronic sleep deprivation are high blood pressure, diabetes, heart attack, heart failure or stroke. Other potential problems include obesity, depression, impairment in immunity. Chronic sleep deprivation can even affect your appearance

: b : o   : 0 ; b : - )  

: b: b: b: b: b: b: b: b: b

greet them:

buenas noches.

that is considered night time which is when "good night" is used.