Major criteria (all 4 are required)
	Difficulty falling asleep
	Difficulty staying asleep
	Early awakening
	Daytime impairment manifested by at least one of the following:
		Fatigue or malaise
		Poor attention or concentration
		Social or vocational/educational dysfunction
		Mood disturbance or irritability
		Daytime sleepiness
		Reduced motivation or energy
		Increased errors or accidents
		Behavioral problems such as hyperactivity, impulsivity, or aggression
		Ongoing worry about sleep
Occurs at least 3 times per week for at least 1 month
Not related to inadequate opportunity, an inappropriate sleep environment, or another sleep disorder