sleep deprivation
The condition of not having adequate sleep
irritable
The tendency to be easily annoyed
listless
Lacking energy or enthusiasm
culprit
A person or thing that is to blame for something
drained
worn out; exhausted; mentally tired
insomnia
A common sleep disorder that can make it hard to fall asleep or stay asleep
unanimous
Fully in agreement
sedative
Prescription medication that slows the activity of your central nervous system
disrupt
Interrupted because of a problem
moody
Given to unpredictable changes of mood
paranoid
Unreasonable; excessively anxious and suspicious
hallucinations
The apparent perception of something not present
shuteye
An informal word for 'sleep'
replenish
To fill something up again
inflammation
A localised, physical condition in which part of the body becomes swollen
sanity
The ability to think and behave in a normal, rational manner
