The patient presents to the clinic with reports of irritability, being sleepy during the day, chronically not being able to fall asleep, and being tired. Which nursing diagnosis will the nurse document in the plan of care?

A) Anxiety
B) Fatigue
C) Insomnia
D) Sleep deprivation

Insomnia is experienced when the patient has chronic difficulty falling asleep, frequent awakenings from sleep, and/or short sleep or nonrestorative sleep. It is the most common sleep-related complaint and includes symptoms such as irritability, excessive daytime sleepiness, not being able to fall asleep, and fatigue. Anxiety is a vague, uneasy feeling of discomfort or dread accompanied by an autonomic response. Fatigue is an overwhelming sustained sense of exhaustion with decreased capacity for physical and mental work at a usual level. Sleep deprivation is a condition caused by dyssomnia and includes symptoms caused by illness, emotional distress, or medications.