Un2 High Note 3

to experience physical or mental pain:

to look for a long time with the eyes wide open, especially when surprised, frightened, or thinking:

any of several medical conditions that prevent people sleeping in a normal way

lasting a short time: (memory)

to stop something from happening or someone from doing something:

a person's or product's ability to do more than one thing at a time:

problems with remebering things/ forgetting them

the time when you are not working or doing other duties:

the time when you are not working or doing other duties:

said to advise someone that it is best not to have or do too much or too little of anything